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Computer Operator – Set 9 | Lok Sewa Aayog | Objective Questions

Table of Contents

Lok Sewa Aayog

Computer Operator

Set 8

Objective Questions

  1. What is an interpreter?

a. An interpreter does the conversion line by line as the program is run

b. An interpreter is the representation of the system being designed

c. An interpreter is a general purpose language providing very efficient execution

d. None of the above

2. What are the stages in the compilation process?

a. Feasibility study, system design and testing                         b. Implementation and documentation

c. Lexical Analysis, syntax analysis, and code generation         d. None of the above

3. A compiler is ……

a. A combination of computer hardware           b. A program which translate from one high level language to another c. A program which translate from one high level to a machine level language                    d. None of these

4. When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?

a. ANSI            b. ASCII         c. EBCDIC                 d. ISO

5. A pixel is …

a. A computer program that draws picture            b.  A picture stored in secondary memory

c. The smallest resolvable part of a picture            d. None of these

6. Which one of the following is error correction technique?

a. Linear block code            b. Conventional code                       c. Hamming codes           d. All of the above

7. Which number system is usually followed in a typical 32-bit computer?

a. 2           b. 10               c. 16                d. 32

8. Which number system is usually followed in a typical 32-bit computer?

a. Binary           b. Decimal     c. Hexadecimal         d. Octal

9. Which of the following is not an output device?

a. Scanner               b. Printer        c. Flat screen             d. Touch screen

10. Which of the following devices have a limitation that we can only store information to it but cannot erase or modify it?

a. Floppy disk              b. Hard disk   c. Tape drive             d. CD-ROM

11. Which technology is used in compact disks?

a. Mechanical              b. Electrical   c. Electro Magnetic               d. Laser

12. Which of the following storage devices can store maximum amount of data?

a. Floppy disk               b. Hard disk   c. Compact disk        d. Magneto optic disk

13. Which of the following is the largest manufacture of hard disk drives?

a. IBM             b. Seagate                  c. Microsoft               d. 3M

14. The program which are as permanent as hardware and stored in ROM is known as

a. Hardware                b. Software                c. Firmware               d. ROM ware

15. Memory is made us of

a. Set of wires              b. Set of circuits       c. Large numbers of cells    d. All of these

16. Primary memory stores

a. Data alone                b. Programs alone    c. Results alone        d. All of these

17. EPROM can be used for

a. Erasing the contents of                                                         b. ROM Reconstructing the contents of ROM

c. Erasing and reconstructing the contents of ROM                 d. Duplicating ROM

18. Which device can understand different between data and programs?

a. Input device             b. Output device       c. Memory     d. Microprocessor

19. The contents of information are stored in

a. Memory data register        b. Memory address register c. Memory arithmetic registers      d. Memory access register

20. Memory unit is one part of

a. Input device               b. Control unit          c. Output device       d. Central processing unit

21. Algorithm and flow chart help us to

a. Know the memory capacity                            b. Identify the base of a number system

c. Direct the output to a printer                         d. Specify the problem completely and clearly

22. Which of the following is not a valid size of a floppy disk?

a. 8″               b. 5 ¼”            c. 3 ½”            d. 5 ½”

23. The basic operations performed by a computer are

a. Arithmetic operation         b. Logical operation            c. Storage and relative         d. All the above

24. The earliest calculating devices are

a. Abacus             b. Clock         c. Difference Engine           d. None of these

25. Who built the first Mechanical calculator

a. Joseph Marie            b. Jacquard John Mauchly       c. Blaise Pascal         d. Howard Aiken

Read Also:

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26. Punched cards were first introduced by

a. Powers             b. Pascal         c. Jacquard    d. Herman Hollerith

27. Computer built before the first generation of computer were:

a. Mechanical            b. Electro-mechanical         c. Electrical               d. None of these

28. Word length of a Personal computer is …

a. 4 bits            b. 8 bits                      c. 16 bits                    d. 64 bits

29. Size of the primary memory of PC ranges between

a. 2 KB to 8 KB                b. 64 KB to 256 KB             c. 256 KB to 640 KB            d. None of these

30. CPU speed of a personal computer is

a. 32 KIPS               b. 100 KIPS               c. 1 MIPS       d. None of these

31. Programs are executed on the basis of a priority number in a

a. Batch processing system            b. Multiprogramming           c. Time sharing         d. None of these

32. Cursor is a …

a. Pixel              b. Thin blinking line             c. Pointing device                 d. None of these

33. Operating system, editors and debuggers comes under?

a. System software             b. Application software       c. Utilities      d. None of the above

34. What is the first stage in software development?

a. Specification and design            b. Testing       c. System analysis    d. Maintenance

35. What is system analysis?

a. The design of the screen the user will see and use to enter or display data

b. System analysis defines the format and type of data the program will use

c. System analysis involves creating formal model of the problem to be solved

d. None of the above

36. What do you call the programs that are used to find out possible faults and their causes?

a. Operating system extensions              b. Cookies     c. Diagnostic software         d. Boot diskettes

37. Which programming language are classified as low level languages?

a. Basic, COBOL, FORTRAN        b. Prolog 2, Expert systems      c. Knowledge based system       d. Assembly languages

38. Which of the following is not anti-viruses software?

a. NAV           b. F-port         c. Oracle        d. McAfee

39. Which device is required for the internet connection?

a. Joystick          b. Modem      c. CD drive                d. NIC card

40. What does DMA stand for?

a. Distinct memory access         b. Direct memory access     c. Direct module access       d. Direct memory allocation

41. Which of the following is a storage device?

a. Tape          b. Hard disk               c. Floppy disk           d. All of the above

42. Joystick Modem      c. CD drive                d. NIC card

42. When did John Napier develop logarithm?

a. 1416            b. 1614           c. 1641           d. 1804

43. A proxy server for which of the following:

a. To provide TCP/ IP                                                         b. To provide security against unauthorized user

c. To process client request for web pages                       d. To process client request for database access

44. MIS is designed to provide information needed for effective decision making by?

a. Consumers              b. Workers                 c. Foremen                 d. Managers

45. What is a light pen?

a. Mechanical input device        b. Optical input device        c. Electronic input device               d. Optical output device

46. The second generation computer was based on ….

a. Vacuum Tube            b. Silicon chips         c. Transistor              d. Bio chips

47. The third generation computer was made with ….

a. Vacuum tube          b. Discrete components       c. IC                d. Bio chips

48. The BIOS is the abbreviation of ….

a. Basic input output system                  b. Best input output system

c. Basic input output symbol                  d. Base input output system

49. What do you call a single point on a computer screen?

a. Cell             b.Element     c.  Pixel          d. Bit

50. RJ 45 UTP cable has … cables.

a. 2 pair               b. 3 pair                      c. 4 pair                      d. 5 pair

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Computer Operator

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