Computer Awareness Questions Bank, SSC, railways, IBPS Examination Study Materials

Computer Awareness Questions

Bank, SSC, railways, IBPS Examination Study Materials

1. IBM 7000 digital computer

• Belongs to second generation
• Uses VLSI
• Employs semiconductor memory
• Has modular constructions

2. The proper definition of a modern digital computer is

• An electronic automated machine that can solve problems involving words & numbers
• A more sophistic and modified electronic pocket calculator
• Any machine that can perform mathematical operations
• A machine that works on binary code

3. A modern electronic computer is a machine that is meant for

• Doing quick mathematical calculations
• Input, storage, manipulation and outputting of data
• Electronic data processing
• Performing repetitive tasks accurately

4. An integrated circuit is

• A complicated circuit
• An integrating device
• Much costlier than a single transistor
• Fabricated on a tiny silicon chip

5. Most important advantage of an IC is its

• Easy replacement in case of circuit failure
• Extremely high reliability
• Reduced cost
• Lower power consumption

6. In a punched card system, data is processed by a

• Keypunch machine, sorter and posting machine
• Accounting machine, posting machine, and billing machine
• Sorter, posting machine, and billing machine
• Accounting machine, keypunch machine and sorter

7. The first machine to successfully perform a long series of arithmetic & logical operations was;

• ENIAC
• Mark I
• Analytic engine
• UNIVAC-I

8. In the third generation of computers:

• Distributed data processing first became popular
• An operating system was first developed
• High-level prcedu7ral languages were firs used
• On-line, real time systems first became popular

9. A characteristic of card systems is:

• Slowness in processing data
• Using cards as records of transactions
• Needing a larger DP staff
• All of the above

10. An IBM system/38 represents the computer class of:

• Small-scale computer
• Medium-scale computer
• Large-scale computer
• Super computer

11. The first firm to mass- market a microcomputer as a personal computer was

• IBM
• Sperry Univac
• Data General corporation
• Radio Shack

12. A digital computer did not score over an analog computer in terms of

• Speed
• Accuracy
• Cost
• Memory

13. In 1830, Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibition?

• 1820
• 1860
• 1855
• 1870

14. Which was the world’s first minicomputer and when was it introduced?

• PDP-I, 1958
• IBM System/36, 1960
• PDP-II, 1961
• VAX 11/780, 1962

15. Where was India’s first computer installed and when?

• Indian Institute of Technology, Delhi, 1977
• Indian Institute of Science, Bangalore, 1971
• Indian Iron & Steel Co. Ltd., 1968
• Indian Statistical Institute, Calcutta, 1955

16. Which of the following are the two main components of the CPU?

• Control unit and registers
• Registers and main memory
• Control Unit and ALU
• ALU and bus

17. Which of the following is true?

• Fields are composed of bytes
• Records are composed of fields
• Fields are composed of characters
• All of above

18. Which of the following file organization is most efficient for a file with a high degree of file activity?

• Sequential
• ISAM
• VSAM
• B-Tree Index

19. The two basic types of record-access methods are

• Sequential and random
• Sequential and indexed
• Direct and immediate
• On-line and real time

20. The advantage of COM are its … and …

• Compact size; speed readability
• Compact size, speed
• Readability; speed
• Low cost; readability