SBI PO : Vocabulary

1. ABUT
Meaning: :- to be adjacent; touch or join at the edge or border (often followed by on, upon, or against
Memory tip: The old, boring movie 'Hum Saath Saath hain' could be remembered as :- 'Hum ABUT ABUT hain'
Usages: This piece of land abuts on a street.



2. PROFFER
Meaning: an offer or proposal
Memory key : Chalo bulaawa aaya hai (IPL) could be said as :- Chalo PROFFER aaya hai (IPL)
Usages: If you don't get what you want you could then proffer your notice


3. CERTITUDE
Meaning : means absolute confidence in something or an unquestioning belief in something.
Memory key : Pehle Istemaal karein phir CERTITUDE dikhayein ! ADD for ghadi soap.
Usage : People who are very religious express certitude about their faith.


4. PARLEY
Meaning : discussion; conference;
Memory KEY : An old hindi song...."Aaj kal tere mere pyaar ke charche har zabaan par........" can be sung as
"Aaj kal tere mere pyaar ke PARLEYS har zabaan par......
Sabko maalum ha aur sabko khabar hogai... "
USAGE :- They had a very interesting PARLEY on women empowerment.


5. PYRRHIC
Meaning : (of a victory ) won at too great a cost to have been worthwhile for the victor.
Memory key : Har bollywood villain ka favorite dialogue : "Ye dushmani bohot PYRRHIC padegi tujhe"
The phrase is - PYRRHIC VICTORY
Usage: Victory in any war is a PYRRHIC VICTORY as the loss of innocent lives is never justified.


6. NONCHALANT
Meaning : : coolly unconcerned, indifferent, or unexcited; casual
Memory key: Pyaar deewana hota hai ... mastaana hota hai Har khushi se har gham se ... NONCHALANT hota hai And Tu CHAL ya naa CHAL mere saath. I am NONCHALANT about it!
Usage : Dean answered in a voice as nonchalant as he could muster


7. GAUNT
Meaning : very thin, especially because of sickness or hunger
Memory Key: My Grand-AUNT is very GAUNT due to dengue fever
Usages : She is a GAUNT lady / The baby was born quite GAUNT / The old man had a GAUNT face.


8. METTLE
Meaning : boldness/courage
Memory key: You will never ever forget the word " METTLE " again The cartoon Courage, the cowardly dog can be remembered as - METTLE, The Cowardly Dog
Usages: Let's give him a chance to show his mettle


9. PLENTY
Meaning: Overabundance, excess
Memory key: PLENTY, not THORA = PLETHORA
Usages: plenty of water or plenty of resources


10. OSTRACIZE
Meaning: : expel from a community or group; avoid speaking to or dealing with
Memory key: Jab aapka ego ho jaye "OSTRICH" ke ande ka "SIZE", to log aapko kar denge "OSTRACIZE".



Usage: Do not ostracize him or her due to the psychiatric condition

Important Formulas of Number System

Important Formulas of Number System

Formulas of Number Series

1. 1 + 2 + 3 + 4 + 5 + … + n = n(n + 1)/2
2. (12 + 22 + 32 + ..... + n2) = n ( n + 1 ) (2n + 1) / 6
3. (13 + 23 + 33 + ..... + n3) = (n(n + 1)/ 2)2
4. Sum of first n odd numbers = n2
5. Sum of first n even numbers = n (n + 1)

---

Mathematical Formulas

1. (a + b)(a - b) = (a2 - b2)
2. (a + b)2 = (a2 + b2 + 2ab)
3. (a - b)2 = (a2 + b2 - 2ab)
4. (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca)
5. (a3 + b3) = (a + b)(a2 - ab + b2)
6. (a3 - b3) = (a - b)(a2 + ab + b2)
7. (a3 + b3 + c3 - 3abc) = (a + b + c)(a2 + b2 + c2 - ab - bc - ac)
8. When a + b + c = 0, then a3 + b3 + c3 = 3abc
9. (a + b)n = an + (nC1)an-1b + (nC2)an-2b2 + … + (nCn-1)abn-1 + bn

---

Shortcuts for number divisibility check

1. A number is divisible by 2, if its unit's digit is any of 0, 2, 4, 6, 8.
2. A number is divisible by 3, if the sum of its digits is divisible by 3.
3. A number is divisible by 4, if the number formed by the last two digits is divisible by 4.
4. A number is divisible by 5, if its unit's digit is either 0 or 5.
5. A number is divisible by 6, if it is divisible by both 2 and 3.
6. A number is divisible by 8, if the number formed by the last three digits of the given number is divisible by 8.
7. A number is divisible by 9, if the sum of its digits is divisible by 9.
8. A number is divisible by 10, if it ends with 0.
9. A number is divisible by 11, if the difference of the sum of its digits at odd places and the sum of its digits at even places, is either 0 or a number divisible by 11.
10. A number is divisible by 12, if it is divisible by both 4 and 3.
11. A number is divisible by 14, if it is divisible by 2 as well as 7.
12. Two numbers are said to be co-primes if their H.C.F. is 1. To find if a number, say y is divisible by x, find m and n such that m * n = x and m and n are co-prime numbers. If y is divisible by both m and n then it is divisible by x.

Current Affairs 31/05/2014 ( The Hindu )

1. Ajit Kumar Doval appointed as new National Security Advisor

i. Former Intelligence Bureau Chief Ajit Kumar Doval, considered one of the finest operational brains, was on Friday appointed as the National Security Advisor (NSA) to Prime Minister of India Narendra Modi.

ii. According to sources in the Bharatiya Janata Party (BJP), the decision to have Doval on board as the NSA was taken by Narendra Modi even before the election results were announced and he became the 15th Prime Minister of India.

iii. Doval was the first police officer to be awarded the second-highest peacetime gallantry award, the Kirti Chakra.

iv. In 1989, he had led a team of Intelligence Bureau officials along with the Punjab Police and National Security Guards in "Operation Black Thunder" to flush out terrorists from the Golden Temple in Amritsar.

2. World observes No Tobacco Day today

i. World No Tobacco Day is being observed today. This year, WHO and partners call on countries to raise taxes on tobacco.

ii. The main goal of this day is to contribute to protect present and future generations not only from the devastating health consequences due to tobacco, but also from the social, environmental and economic scourges of tobacco use and exposure to tobacco smoke.

iii. The member states of the World Health Organization (WHO) created World No Tobacco Day in 1987.

iv. The global tobacco epidemic kills nearly 6 million people each year, of which more than 600 000 are non-smokers dying from breathing second-hand smoke.

v. Research shows that higher taxes are especially effective in reducing tobacco use among lower-income groups and in preventing young people from starting to smoke.

3. Kamal Nath appointed pro-tem Speaker of 16 Lok Sabha

i. Former Parliamentary Affairs Minister and senior Congress leader Kamal Nath has been appointed as the pro-tem Speaker in the new Lok Sabha.

ii. A notification issued by the Lok Sabha Secretariat said President Pranab Mukherjee has appointed him to perform the duties of the Speaker.

iii. The Narendra Modi government had recently conveyed its recommendation to Mr. Mukherjee to appoint Nath, who is the senior most member of the Lower House, as pro-tem Speaker.

iv. The pro-tem Speaker performs the duties of the office of the Speaker from the commencement of the sitting of the Lok Sabha till the election of the Speaker.

4. Peter Mutharika is new Malawi presidential

i. Malawi's opposition Democratic Progressive Party (DPP) candidate Peter Mutharika has emerged winner of the May 20 presidential race in the southern African country, the Malawi Electoral Commission (MEC) said Friday.

ii. Mutharika, the 74-year-old brother of the late former President Bingu wa Mutharika, was elected president of the country after garnering 36.4 percent of the votes cast, Xinhua quoted MEC as saying.

iii. The official announcement came after Banda attempted to nullify the election and call fresh polls on the ground that the vote was marred by irregularities.

iv. MEC chairperson Maxon Mbendera said "the rule of law compels us to release the results" although some commissioners expressed reservations about the results.

v. "The democratic right of Malawians to elect their leaders is sacrosanct and must be respected," he said

5. Economy witnesses subdued 4.67% growth during last fiscal; 

i. India's economic growth remained subdued at 4.7 per cent in 2013-14 and at 4.6 per cent in the fourth quarter of the financial year, mainly due to a decline in manufacturing and mining output.

ii. According to official data released today by the Central Statistics Office in New Delhi, the country's gross domestic product in 2013-14 was less than its advance estimate of 4.9 per cent.

iii. The manufacturing sector declined 1.4 per cent in the fourth quarter whereas Mining and quarrying contracted 0.4 per cent in the January-March quarter.

6. Uttar Pradesh chief secretary Javed Usmani removed, Alok Ranjan to replace him

i. Amid huge uproar over a string of heinous gang-rapes and crime against women in Uttar Pradesh, the Samajwadi Party government on Saturday ordered the removal of state Chief Secretary Javed Usmani, reports said.

ii. Alok Ranjan (inset) is likely to replace him, official sources said.

iii. Javed Usmani, a 1978 batch officer who has been transferred from Uttar Pradesh is likely to get Central deputation. 

7. IPL7: Kings XI to meet KKR in title clash tomorrow

i. Kings Eleven Punjab will meet Kolkata Knight Riders in the final of IPL cricket at Bangalore tomorrow.

ii. Kings Eleven Punjab defeated Chennai Super Kings by 24 runs at Wankhede Stadium, in Mumbai last night.

iii. Earlier, Kings Eleven Punjab made 226 runs in their stipulated 20 overs.

Chasing a victory target of 227 runs, Chennai Super Kings could make only 202 runs with the loss of 7 wickets.

8. India to take on Belgium in Men’s Hockey World Cup opener

i. The Men's and Women's Hockey World Cup begin in The Hague, the Netherlands today.

ii. While the Indian eves had failed to make it to the World Cup, the Indian Men's team led by Sardar Singh has been placed in Pool-A alongside defending champions Australia, England, Belgium, Spain and Malaysia.

iii. In today's other matches, Australia will meet Malaysia, and England will play Spain.

iv. Pool-B comprises Germany, the Netherlands, New Zealand, Korea, Argentina and South Africa. Pool-B matches will be played tomorrow.

9. Pakistan to grant MDMA status to India to facilitate bilateral trade

i. Pakistan has said it would grant India the status of Non-Discriminatory Market Access (NDMA) to facilitate enhanced bilateral trade.

ii. According to media reports, Pakistan Commerce Minister Khurram Dastigir Khan clarified that it was not Most Favoured Nation status but non-discriminatory and parallel market access that is being granted to India. 

iii. Pakistan has said it would grant India the status of Non-Discriminatory Market Access (NDMA) to facilitate enhanced bilateral trade. According to media reports, Pakistan Commerce Minister Khurram Dastigir Khan clarified that it was not Most Favoured Nation status but non-discriminatory and parallel market access that is being granted to India. 

SBI PO: Computer Objective Questions 7

1. the accuracy of the floating point numbers represent able in two 16bit words of a computer is approximately

a. 16 digits

b. 6 digits

c. 4 digits

d. All of above

2. a dumb terminal has

a. an embedded microprocessor

b. extensive memory

c. independent processing capability

d. a keyboard and screen

3. plotter accuracy is measured in terms of repeatability and

a. buffer size

b. resolution

c. vertical dimension

d. intelligence

4. bit map terminal

a. support display containing multiple window

b. require considerable amount of video RAM

c. requires tremendous amount of copying and hence low performance

d. all of above

5. how many symbols exist in Baudot code?

a. 32

b. 116

c. 58

d. 76

6. Daisy wheel printer is a type of

a. Matrix printer

b. Impact printer

c. Laser printer

d. Manual printer

7. The number of records contained within a block of data on magnetic tape is defined by the

a. Block definition

b. Record contain clause

c. Blocking factor

d. Record per block

8. Serial access memories are useful in applications where

a. Data consists of numbers

b. Short access time is required

c. Each stored word is processed differently

d. Data naturally needs to flow in and out in serial form

9. how many types of storage loops exists in magnetic bubble memory

a. 8

b. 4

c. 16

d. 2

10. which of the following memories must be refreshed many times per second?

a. Static RAM

b. Dynamic RAM

c. EPROM

d. ROM

11. The memory which is programmed at the time it is manufactured

a. ROM

b. RAM

c. PROM

d. EPROM

12. Which of the following memory medium is not used as main memory system?

a. Magnetic core

b. Semiconductor

c. Magnetic tape

d. Both semiconductor and magnetic tape

13. The control unit of a microprocessor

a. Stores data in the memory

b. Accepts input data from keyboard

c. Performs arithmetic/logic function

d. None of above

14. Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as

a. PC

b. Flags

c. Memory Address Registers

d. General Purpose Registers

15. One of the main feature that distinguish microprocessors from micro-computer is

a. Words are usually large in microprocessors

b. Words are shorter in microprocessors

c. Microprocessor does not contain I/O device

d. Exactly the same as the machine cycle time

16. Which was the world’s first microcomputer that used Intel 80386 microprocessor chip?

a. IBM PS/2

b. HP-9830

c. DeskPro-386

d. IBM-360

17. When was the world’s first laptop computer introduced in the market and by whom?

a. Hewlett-Packard, 1980

b. Epson, 1981

c. Laplink Traveling Software Inc, 1982

d. Tandy Model-200, 1985

18. The first microprocessor built by the Intel corporation was called

a. 8008

b. 8080

c. 4004

d. 8800

19. who built the world’s first electronic calculator using telephone relays, light bulbs and batteries?

a. Claude Shannon

b. Konrard Zues

c. George Stibits

d. Howard H. Aiken

20. Who developed a mechanical device in the 17th century that could add, subtracts, multiply, divide and find square roots?

a. Napier

b. Babbage

c. Pascal

d. Leibniz

Answer on comment box :)

SBI PO: Computer Objective Questions 6

1. Which was the computer conceived by Babbage?

a. Analytical Engine

b. Arithmetic Machine

c. Donald Kunth

d. All of above

2. Offline device is

a. A device which is not connected to CPU

b. A device which is connected to CPU

c. A direct access storage device

d. An I/O device

3. Which of the following registers is loaded with the contents of the memory location pointed by the PC?

a. Memory address registers

b. Memory data registers

c. Instruction register

d. Program counter

4. Which of the following registers is used to keep track of address of the memory location where the next instruction is located?

a. Memory address register

b. Memory data register

c. Instruction register

d. Program counter

5. Microprocessors can be used to make

a. Computers

b. Digital systems

c. Calculators

d. All of above

6. how many address lines are needed to address each machine location in a 2048 x 4 memory chip?

a. 10

b. 11

c. 8

d. 12

7. which American computer company is called Big Blue?

a. Microsoft

b. Compaq Corp

c. IBM

d. Tandy Svenson

8. When did IBM introduce the 20286 based PC/AT?

a. 1982

b. 1984

c. 1985

d. 1989

9. When was the X window system born?

a. 1984

b. 1989

c. 1988

d. 1990

10. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?

a. Tabulator Machine Co.

b. Computer Tabulating Recording Co.

c. The Tabulator Ltd.

d. International Computer Ltd.

11. The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle. How many numbers could it store in its internal memory?

a. 100

b. 20

c. 40

d. 80

12. The digital computer was developed primarily in

a. USSR

b. Japan

c. USA

d. UK

13. The subject of cybernetics deals with the science of

a. Genetics

b. Control and communication

c. Molecular biology

d. Biochemistry

14. Who is credited with the idea of using punch cards to control patterns in a waving machine?

a. Pascal

b. Hollerith

c. Babbage

d. Jacquard

15. Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes?

a. Home computers

b. Diskless computers

c. Dedicated computers

d. General purpose computers

16. Which of the following require large computers memory?

a. Imaging

b. Graphics

c. Voice

d. All of Above

17. A term associated with the comparison of processing speeds of different computer system is:

a. EFTS

b. MPG

c. MIPS

d. CPS

18. The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called

a. Duping

b. Booting

c. Padding

d. CPS

19. who invented the microprocessor?

a. Marcian E Huff

b. Herman H Goldstein

c. Joseph Jacquard

d. All of above

20. One computer that is not considered a portable is

a. Minicomputer

b. Laptop computer

c. Notebook computer

d. All of above

Answers

1. Which was the computer conceived by Babbage?
a. Analytical Engine

2. Offline device is
a. A device which is not connected to CPU

3. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
c. Instruction register

4. Which of the following registers is used to keep track of address of the memory location where the nextinstruction is located?
d. Program counter

5. Microprocessors can be used to make
d. All of above

6. how many address lines are needed to address each machine location in a 2048 x 4 memory chip?
b. 11

7. which American computer company is called Big Blue?
c. IBM

8. When did IBM introduce the 20286 based PC/AT?
b. 1984

9. When was the X window system born?
a. 1984

10. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
a. Tabulator Machine Co.

11. The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle. How many numbers could it store in its internal memory?
b. 20

12. The digital computer was developed primarily in
c. USA

13. The subject of cybernetics deals with the science of
b. Control and communication

14. Who is credited with the idea of using punch cards to control patterns in a waving machine?
d. Jacquard

15. Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes?
a. Home computers

16. Which of the following require large computers memory?
d. All of Above

17. A term associated with the comparison of processing speeds of different computer system is:
c. MIPS

18. The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called
b. Booting

19. who invented the microprocessor?
a. Marcian E Huff

20. One computer that is not considered a portable is
a. Minicomputer

SBI PO: Computer Objective Questions 5

1. Mnemonic a memory trick is used in which of the following language?

a. Machine language

b. Assembly language

c. High level language

d. None of above

2. The translator program used in assembly language is called

a. Compiler

b. Interpreter

c. Assembler

d. Translator


3. Easily reloctable language is

a. Machine language

b. Assembly language

c. High level language

d. Medium level language


4. Which of the following is called low level languages?

a. Machine language

b. Assembly language

c. Both of the above

d. None of above


5. which of the following is problem oriented language?

a. High level language

b. Machine language

c. Assembly language

d. Low level language


6. A compiler is a translating program which

a. Translates instruction of a high level language into machine language

b. Translates entire source program into machine language program

c. It is not involved in program’s execution

d. All of above


7. Which of the following is machine independence program?

a. High level language

b. Low level language

c. Assembly language

d. Machine language


8. Which statement is valid about interpreter?

a. It translates one instruction at a time

b. Object code is saved for future use

c. Repeated interpretation is not necessary

d. All of above


9. Which is the limitation of high level language?

a. Lower efficiency

b. Machine dependence

c. machine level coding

d. None of above


10. High level language is also called

a. Problem oriented language

b. Business oriented language

c. Mathematically oriented language

d. All of the above


11. A computer programmer

a. Does all the thinking for a computer

b. Can enter input data quickly

c. Can operate all types of computer equipments

d. Can draw only flowchart


12. CD-ROM is a

a. Semiconductor memory

b. Memory register

c. Magnetic memory

d. None of above


13. Which of the following is not a primary storage device?

a. Magnetic tape

b. Magnetic disk

c. Optical disk

d. None of above


14. A name or number used to identify a storage location devices?

a. A byte

b. A record

c. An address

d. All of above


15. Which of the following is a secondary memory device?

a. Keyboard

b. Disk

c. ALU

d. All of the above


16. The difference between memory and storage is that memory is … and storage is …

a. Temporary, permanent

b. Permanent, temporary

c. Slow, fast

d. All of above


17. A floppy disk contains

a. Circular tracks only

b. Sectors only

c. Both circular tracks and sectors

d. All of the above


18. The octal equivalent of 111010 is

a. 81

b. 72

c. 71

d. None of above


19. The first electronic computer in the world was

a. UNIVAC

b. EDVAC

c. ENIAC

d. All of above



20. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called

a. ASCII

b. EBCDIC

c. BCD

d. All of above

Answers:
Correct Answer: b
Correct Answer: c
Correct Answer: b
Correct Answer: c
Correct Answer: a
Correct Answer: d
Correct Answer: a
Correct Answer: a
Correct Answer: a
Correct Answer: d
Correct Answer: a
Correct Answer: d
Correct Answer: d
Correct Answer: c
Correct Answer: b
Correct Answer: a
Correct Answer: c
Correct Answer: b
Correct Answer: c
Correct Answer: a

SBI PO: Computer Objective Questions 4

1. Which statement is valid about magnetic tape?

a. It is a plastic ribbon

b. It is coated on both sides with iron oxide

c. It can be erased and reused

d. All of above

2. The data recording format in most of the modern magnetic tape is

a. 7-bit ASCII

b. 7-bit EBCDIC

c. 8-bit ASCII

d. 8-bit EBCDIC

3. Which of the following is associated with error detector?

a. Odd parity bit

b. Even parity bit

c. Both of the above

d. None of above

4. Tape speed is measured in

a. Feet per second

b. Inch per second

c. Meter per second

d. Centimeter per second

5. Magnetic disks are the most popular medium for

a. Direct access

b. Sequential access

c. Both of above

d. None of above

6. Storage capacity of magnetic disk depends on

a. tracks per inch of surface

b. bits per inch of tracks

c. disk pack in disk surface

d. All of above

7. Reading data is performed in magnetic disk by

a. Read/write leads

b. Sectors

c. Track

d. Lower surface

8. Access time is

a. seek time + latency time

b. seek time

c. seek time – latency time

d. latency time

9. Seek time is

a. time to position the head over proper track

b. time to position the head over proper sector

c. time to position the head over proper cylinder

d. none of above

10. Latency time is

a. Time to spin the needed data under head

b. Time to spin the needed data under track

c. Time to spin data under sector

d. All of above

11. Floppy disks are available in

a. Single side single density

b. Single side double density

c. Both of above

d. None of above

12. Floppy disks typically in diameter

a. 3”

b. 5.25”

c. 8”

d. All of above

13. Hard disk is coated in both side above

a. Magnetic metallic oxide

b. Optical metallic oxide

c. Carbon layer

d. All of the above

14. Binary circuit elements have

a. One stable state

b. Two stable state

c. Three stable state

d. None of above

15. Which statement is valid?

a. 1KB = 1024 bytes

b. 1 MB=2048 bytes

c. 1 MB = 1000 kilobytes

d. 1 KB = 1000 bytes

16. Which statement is valid about computer program?

a. It is understood by a computer

b. It is understood by programmer

c. It is understood user

d. Both of above

17. Software in computer

a. Enhances the capabilities of the hardware machine

b. Increase the speed of central processing unit

c. Both of above

d. None of above

18. Which of the following is not computer language?

a. High level language

b. Medium level language

c. Low level language

d. All of the above

19. Which language is directly understood by the computer without translation program?

a. Machine language

b. Assembly language

c. High level language

d. None of above

20. Instruction in computer languages consists of

a. OPCODE

b. OPERAND

c. Both of above

d. None of above

21. Machine language is

a. Machine dependent

b. Difficult to program

c. Error prone

d. All of above

Answers

1. Which statement is valid about magnetic tape?

a. It is a plastic ribbon

2. The data recording format in most of the modern magnetic tape is

d. 8-bit EBCDIC

3. Which of the following is associated with error detector?

c. Both of the above

4. Tape speed is measured in

b. Inch per second

5. Magnetic disks are the most popular medium for

c. Both of above

6. Storage capacity of magnetic disk depends on

d. All of above

7. Reading data is performed in magnetic disk by

a. Read/write leads

8. Access time is

a. seek time + latency time

9. Seek time is

a. time to position the head over proper track

10. Latency time is

a. Time to spin the needed data under head

11. Floppy disks are available in

c. Both of above

12. Floppy disks typically in diameter

d. All of above

13. Hard disk is coated in both side above

a. Magnetic metallic oxide

14. Binary circuit elements have

b. Two stable state

15. Which statement is valid?

a. 1KB = 1024 bytes

16. Which statement is valid about computer program?

d. Both of above

17. Software in computer

a. Enhances the capabilities of the hardware machine

18. Which of the following is not computer language?

b. Medium level language

19. Which language is directly understood by the computer without translation program?

a. Machine language

20. Instruction in computer languages consists of

c. Both of above

21. Machine language is

d. All of above

SBI PO: Computer Objective Questions 3

1.Which generation of computer is still under development
a.Fourth Generation
b.Fifth Generation
c.Sixth Generation
d.Seventh Generation

2.Artificial Intelligence is associated with which generation?
a.First Generation
b.Second Generation
c.Fifth Generation
d.Sixth Generation

3.Which operation is not performed by computer
a.Inputting
b.Processing
c.Controlling
d.Understanding

4.Fifth generation computer is also known as
a.Knowledge information processing system
b.Very large scale integration (VLSI)
c.Both of above
d.None of above

5.Central Processing Unit is combination of
a.Control and storage
b.Control and output unit
c.Arithmetic logic and input unit
d.Arithmetic logic and control unit

6.The brain of any computer system is
a.Control Unit
b.Arithmetic Logic Unit
c.Central Processing Unit
d.Storage Unit

7.Pick the one that is used for logical operations or comparisons such as less than equal to or greater than.
a.Arithmetic and Logic Unit
b.Control Unit
c.Both of above
d.None of above

8.Analog computer works on the supply of
a.Continuous electrical pulses
b.Electrical pulses but not continuous
c.Magnetic strength
d.None of the above

9.Digital devices are
a.Digital Clock
b.Automobile speed meter
c.Clock with a dial and two hands
d.All of them

10.The computer that process both analog and digital is called
a.Analog computer
b.Digital computer
c.Hybrid computer
d.Mainframe computer


Answers:

1. Which generation of computer is still under development

Correct Answer: b. Fifth Generation

Explanation: Today’s computer fall under the fourth generation computers that uses the LSI and VLSI Integrated Circuits. For fifth generation computers it is expected for Ultra Large Scale Integrated Circuits (ULSI). The study for using Gallium Arsenide instead of silicon chips is underway. Electrons can travel 5 times faster in Gallium Arsenide compared to the silicon. Similarly, genetically engineered protein molecules are being tried for processors. Fifth generation computers are expected to have artificial intelligence, ability to use natural language.

2. Artificial Intelligence is associated with which generation?

Correct Answer: c. Fifth Generation

Explanation: ‘A computer is a slave in a box’. This is a saying due to the lack of intelligence in computer in spite of their speed, accuracy, diligence and reliability. A computer can only perform instructed task in the way already programmed. Thus, scientists are trying to develop artificial intelligence in computers so that they can think and make decisions themselves. This is expected for fifth generation computers.

3. Which operation is not performed by computer

Correct Answer: d. Understanding

Explanation: Computers can’t understand since they don’t have intelligence. Let’s hope in fifth generation they will achieve artificial intelligence and be able to understand.

4. Fifth generation computer is also known as

Correct Answer: a. Knowledge information processing system

Explanation: Fifth Generation computers will have artificial intelligence and will be able to understand making knowledge information processing system possible,

5. Central Processing Unit is combination of

Correct Answer: d. Arithmetic logic and control unit

Explanation: Arithmetic logic and control unit along with memory unit forms a complete central processing unit and central processing unit along with input/output unit forms a computer system.

6. The brain of any computer system is

Correct Answer: c. Central Processing Unit

Explanation: Control unit or arithmetic logical unit alone can not represent the function of brain to compare with neither does storage unit only. Central Processing Unit is the combination of control, arithmetic logic and memory units thus can be compared with brain that controls the body, processes its functions and remembers.

7. Pick the one that is used for logical operations or comparisons such as less than equal to or greater than.

Correct Answer: a. Arithmetic and Logic Unit

Explanation: Logical sub-unit of ALU performs all the comparisons such as less than equal to or greater than. Arithmetic sub-unit of ALU performs calculations such as addition, subtraction and so on.

8. Analog computer works on the supply of

Correct Answer: a. Continuous electrical pulses

Explanation: Analog computers works on the continuous electrical pulses and digital computers work on the discrete electrical pulses. Analog computers need to process physical quantities such as temperature, pressure, speed etc.

9. Digital devices are

Correct Answer: a. Digital Clock.

Explanation: Automobile speed meter and clock with a dial and two hands are analog devices. Speed meter works on speed of wheel and the later works on tension of dialed spring.

10. The computer that process both analog and digital is called

Correct Answer c. Hybrid Computer

Explanation: Analog, Digital and Hybrid are the three classes of computers based on the work or principle on which computer work. Hybrid computers can perform both the tasks of analog computers as well as hybrid computers. These computers are used in aircraft, hospitals where measuring physical quantities and converting them into digital data to analyze is required.

SBI PO: Computer Objective Questions 2

1. EBCDIC stands for
a. Extended Binary Coded Decimal Interchange Code
b. Extended Bit Code Decimal Interchange Code
c. Extended Bit Case Decimal Interchange Code
d. Extended Binary Case Decimal Interchange Code

2. BCD is
a. Binary Coded Decimal
b. Bit Coded Decimal
c. Binary Coded Digit
d. Bit Coded Digit


3. ASCII stands for
a. American Stable Code for International Interchange
b. American Standard Case for Institutional Interchange
c. American Standard Code for Information Interchange
d. American Standard Code for Interchange Information


4. Which of the following is first generation of computer
a. EDSAC
b. IBM-1401
c. CDC-1604
d. ICL-2900


5. Chief component of first generation computer was
a. Transistors
b. Vacuum Tubes and Valves
c. Integrated Circuits
d. None of above


6. FORTRAN is
a. File Translation
b. Format Translation
c. Formula Translation
d. Floppy Translation


7. EEPROM stand for
a. Electrically Erasable Programmable Read Only Memory
b. Easily Erasable Programmable Read Only Memory
c. Electronic Erasable Programmable Read Only Memory
d. None of the above


8. Second Generation computers were developed during
a. 1949 to 1955
b. 1956 to 1965
c. 1965 to 1970
d. 1970 to 1990

Correct Answer: 1956 to 1965
Explanation: Second generation computers used transistors as their main electronic component. Transistor was invented by Bell Lab Scientists John Burdeen, Walter Brattain and William Shockley in 1947 and won the Nobel Prize in 1956 but it was not used in computers till 1956. The second generation continued until the implementation of IC chips invented by Jack Kilby in Texas Instruments in 1958.



9. The computer size was very large in
a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation


10. Microprocessors as switching devices are for which generation computers
a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation




Answers:

1. EBCDIC stands for

Correct Answer: a. Extended Binary Coded Decimal Interchange Code

Explanation: EBCDIC is an 8-bit binary code for larger IBMs primarily mainframes in which each byte represent one alphanumeric character or two decimal digits. 256 characters can be coded using EBCDIC.

2. BCD is

Correct Answer: a. Binary Coded Decimal

Explanation: BCD is a binary coded notation in which each of the decimal digits is expressed as a 8-bit binary numeral. For example in binary coded decimal notation 12 is 0001 0010 as opposed to 1100 in pure binary.

3. ASCII stands for

Correct Answer: c. American Standard Code for Information Interchange

Explanation: ASCII is a code which converts characters – letters, digits, punctuations and control characters such as Alt, Tab etc – into numeral form. ASCII code is used to represent data internally in micro-computers. ASCII codes are 7 bits and can represent 0 to 127 and extended ASCII are 8 bits that represents 0 to 255.

4. Which of the following is first generation of computer

Correct Answer: a. EDSAC

Explanation: IBM-1401, CDC-1604 is second generation computer. ICL-2900 is a fourth generation computer. EDSAC is important in the development of computer since it was the first computer to use John von. Neumann’s Stored Program Concept. It used 3000 vacuum tubes and computers with vacuum tubes are of first generation computers.

5. Chief component of first generation computer was

Correct Answer: b. Vacuum Tubes and Valves

Explanation: Transistors were used for second generation computers and integrated circuits in third generation. First generation computers used vacuum tubes and valves as their main electronic component. Vacuum Tubes were invented by Lee DeForest in 1908.

6. FORTRAN is

Correct Answer: c. Formula Translation

Explanation: FORTRAN (Formula Translation) is one of the earlier High Level programming languages used to write scientific applications. It was developed by IBM in 1956.

7. EEPROM stand for

Correct Answer: a. Electrically Erasable Programmable Read Only Memory

Explanation: There are three types of ROM namely, PROM, EPROM and EEPROM. PROM can’t be reprogrammed, EPROM can be erased by exposing it in high intensity ultraviolet light and EEPROM can be erased and reprogrammed electrically. It is not needed to be removed from the computer to be modified.

8. Second Generation computers were developed during

Correct Answer: 1956 to 1965

Explanation: Second generation computers used transistors as their main electronic component. Transistor was invented by Bell Lab Scientists John Burdeen, Walter Brattain and William Shockley in 1947 and won the Nobel Prize in 1956 but it was not used in computers till 1956. The second generation continued until the implementation of IC chips invented by Jack Kilby in Texas Instruments in 1958.

9. The computer size was very large in

Correct Answer: a. First Generation

Explanation: It is obvious that computers developed with more power, reliability, speed and smaller sizes due to the enhancement of technology. First generation computers used 1000s of vacuum tubes that required lot of space made them gigantic in size. Single transistor could replace 1000 vacuum tubes and a single IC chip replaced 1000s of transistors made computers smaller and more speedy.

10. Microprocessors as switching devices are for which generation computers

Correct Answer: Fourth Generation

Explanation: Microprocessors further revolutionized the development of computers. Personal microcomputers were possible due to the microprocessors. The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971. Microprocessors are used in the computers of fourth generation computers.

SBI PO: Computer Objective Questions 1

1. UNIVAC is


a. Universal Automatic Computer

b. Universal Array Computer

c. Unique Automatic Computer

d. Unvalued Automatic Computer


2. CD-ROM stands for


a. Compactable Read Only Memory

b. Compact Data Read Only Memory

c. Compactable Disk Read Only Memory

d. Compact Disk Read Only Memory


3. ALU is


a. Arithmetic Logic Unit

b. Array Logic Unit

c. Application Logic Unit

d. None of above


4. VGA is


a. Video Graphics Array

b. Visual Graphics Array

c. Volatile Graphics Array

d. Video Graphics Adapter


5. IBM 1401 is


a. First Generation Computer

b. Second Generation Computer

c. Third Generation Computer

d. Fourth Generation Computer


6. MSI stands for


a. Medium Scale Integrated Circuits

b. Medium System Integrated Circuits

c. Medium Scale Intelligent Circuit

d. Medium System Intelligent Circuit


7. The capacity of 3.5 inch floppy disk is


a. 1.40 MB

b. 1.44 GB

c. 1.40 GB

d. 1.44 MB


8. The first computer introduced in Nepal was


a. IBM 1400

b. IBM 1401

c. IBM 1402

d. IBM1402


9. WAN stands for


a. Wap Area Network

b. Wide Area Network

c. Wide Array Net

d. Wireless Area Network


10. MICR stands for


a. Magnetic Ink Character Reader

b. Magnetic Ink Code Reader

c. Magnetic Ink Cases Reader

d. None



Answers

1. UNIVAC is

Correct Answer: a. Universal Automatic Computer

Explanation: There are no computers with the name as in other options. UNIVAC was the first general purpose electronic digital computer designed for commercial use, produced by Universal Accounting Company of John Mauchly and J.P.Eckert in 1951.

2. CD-ROM stands for

Correct Answer: d. Compact Disk Read Only Memory

Explanation: There are no objects with the name as in other options. CD-ROM is a non-volatile optical data storage medium using the same physical format as audio compact disk, readable by a computer with a CD-ROM drive. The standard 12 cm diameter CD-ROM store about 660 megabytes.

3. ALU is

Correct Answer: a. Arithmetic Logic Unit

Explanation: ALU is a unit in Central Processing Unit in a computer system that is responsible for arithmetic calculations and logical operations. Apart from ALU, the CPU contains MU (Memory Unit) and CU (Control Unit).

4. VGA is

Correct Answer: a. Video Graphics Array

Explanation: VGA is a type of Graphics Adapter. Graphic Adapter is an electronic board that controls the display of a monitor. This device helps the motherboard to work with the monitor and in VGA and SVGA the last letter ‘A’ stands for ‘Array’ whereas in MDA, CGA, MCGA the last letter ‘A’ stands for ‘Adapter’.

5. IBM 1401 is

Correct Answer: b. Second Generation Computer

Explanation: IBM 1401 is a Second Generation Computer and is the first computer to enter Nepal in 2028 BS for census. Government of Nepal had brought this computer on rent and later purchased for data processing in Bureau of Statistics. After this computer, another ICL 2950/10, a British computer, was purchased by the fund of UNDP and UNFPA for the census of 2038 BS is second computer in Nepal.

6. MSI stands for

Correct Answer: a. Medium Scale Integrated Circuits

Explanation: After the invention of IC chips the development of computers plunged into next phase. Small Scale Integration and Medium Scale Integration (SSI and MSI) were used in third generation of computers and Large Scale Integration and Very Large Scale Integration (LSI and VLSI) are being used in fourth generation of computers. People are now expecting ULSI (Ultra Large Scale Integration) Circuits to be used for fifth generation computers.

7. The capacity of 3.5 inch floppy disk is

Correct Answer: d. 1.44 MB

Explanation: Microfloppy disks (3.5 inch) if it is high density (MF2HD) can store 1.44 MB and if it is low density (MF2DD), it can store 720 KB. Mini Floppy disks (5.25 inch) if it is high density (MD2HD) can store 1.2 MB and low density (MD2DD) stores 360 KB of data.

8. The first computer introduced in Nepal was

Correct Answer: b. IBM 1401

Explanation: IBM 1401, a second generation computer was brought in Nepal by the Government of Nepal paying One Lakh and twenty five thousands per month to use in the census in 2028 B.S. Before this computer, Nepal was using a calculating device called Facit for statistical tasks.

9. WAN stands for

Correct Answer: b. Wide Area Network

Explanation: There are three different classes of computer network namely, Local Area Network (LAN) that covers a small geographical area such as a room, a building or a compound; Metropolitan Area Network (MAN) that has a citywide coverage; and Wide Area Network (WAN) that covers the whole globe or beyond the globe.

10. MICR stands for

Correct Answer: a. Magnetic Ink Character Reader

Explanation: MICR (Magnetic Ink Character Reader) is kind of scanner that can scan and identify the writing of magnetic ink. This device is used in banks to verify signatures in Checks.