Computer Science - Computer Fundamentals Part 15

1. The 2's complement number of 110010 is

A.
001101

B.
110011

C.
010011

D.
All of the above

E.
None of the above

 Answer Option E

2. The purpose of an application program is to

A.
Convert program written in high level language to machine language

B.
Meet specific user needs

C.
Allow the operating system to control resources better

D.
Make off-line equpment run better

E.
None of the above

 Answer Option B

3. Which of the following translate back from machine code something resembling the source language

A.
Interpreter

B.
Compiler

C.
Assembler

D.
Decompiler

E.
None of the above

 Answer Option D

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

A.
Napier

B.
Babbage

C.
Pascal

D.
Leibnitz

E.
None of the above

 Answer Option D

5. 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

E.
None of the above

 Answer Option D

6. A six - digit card field used for postal ZIP codes is defined as

A. A letter field

B. An alphabetic field

C. A numeric field

D. An alphanumeric field

E. None of the above

 Answer Option C

7. The octal equivalent of the number 11010.1011 is

A. 32.54

B. 63.51

C. 32.27

D. All of the above

E. None of the above

 Answer Option A

8. Super-computers

A. Are found at thousands of sites around the world

B. Can now fit on a single silicon chip

C. Are usually designed to process accounting applications

D. Are not fast enough for some applications

E. None of the above

 Answer Option D

9. A special type of device which uses an ordinary telephone with a computer is

A. Light pen

B. Mouse

C. Acoustic couple

D. Touch panel

E. None of the above

 Answer Option C

10. The first electronic general purpose digital computer built by Mauchly and Eckert called ENIAC 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

E. None of the above

 Answer Option B

11. A hand-held device for optically reading bar codes on goods, labels & shelves is

A. Wand

B. Touch tablet

C. Mouse

D. Light pen

E. None of the above

 Answer Option A

12. In analog computer

A. Input is first converted to digital form

B. Input is never converted to digital form

C. Output is displayed in digital form

D. All of the above

E. None of the above

 Answer Option B

13. The decimal equivalent of the binary number 11100001111 is

A. 1806

B. 1807

C. 2806

D. All of the above

E. None of the above

 Answer Option B

14. A disk storage medium in the form of an assembly containing a single rigid magnetic disk permenently is

A. fixed disk

B. disk cartridge

C. card punch

D. card reader

E. None of the above

 Answer Option B

15. The benefit of using computers are that

A. Computers are very fast and can store huge amounts of data

B. Computers produce accurate output even when the input is incorrect

C. Computers are designed to the inflexible

D. All of the above

E. None of the above

 Answer Option A

16. Which is a Common-Business oriented language.

A. SNOBOL

B. BASIC

C. COBOL

D. C

E. None of the above

 Answer Option C

17. Software instructions intended to satisfy a user's specific processing needs are called _____.

A. Systems software

B. A microcomputer

C. Documentation

D. Applications software

E. All of the above

 Answer Option D

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

A. sequential

B. ISAM

C. VSAM

D. B-Tree index

E. All of the above

 Answer Option A

19. What is the name of the reading device which mades use of photosensors and laser technologies to interpret printed, typed or even hand-written data directly from the source documents?

A. MICR

B. OCR

C. Mark-sensing device

D. ATM

E. None of the above

 Answer Option B

20. A(n) ____ device is any device that provides information which is sent to the CPU.

A. input

B. output

C. CPU

D. memory

E. storage

 Answer Option A

21. The range of frequencies available for data transmission is known as

A. Baud

B. Bandwidth

C. Byte

D. Bits

E. None of the above

 Answer Option B

22. Full adder has

A. 4 inputs

B. 8 inputs

C. 10 inputs

D. 3 inputs

E. . None of the above

 Answer Option D

23. Which major development led to the production of microcomputers?

A. Magnetic disks

B. Floppy disks

C. Logic gates

D. Integrated circuits

E. None of the above

 Answer Option D

24. The first computer made available for commercial use was

A. Mark-I

B. ENIAC

C. EDSAC

D. UNIVAC

E. None of the above

 Answer Option D

25. In which mode, each user has a local input/output device.

A. Interactive

B. Time sharing mode

C. Batch processing mode

D. All of the above

E. None of the above

 Answer Option B

26. Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?

A. Interactive processing

B. Sequential processing

C. Batch processing

D. Group processing

E. None of the above

 Answer Option A

27. Which of the following is considered a direct-entry input device?

A. optical scanner

B. mouse

C. light pen

D. digitizer

E. All of the above

 Answer Option E

28. A physical connection between the microprocessor memory and other parts of the microcomputer is known as

A. Path

B. Address bus

C. Route

D. All of the above

E. None of the above

 Answer Option B

29. An IBM System/38 represents the computer class of:

A. small-scale computer

B. medium-scale computer

C. large-scale computer

D. super computer

E. None of the above

 Answer Option A

30. Which hole is used to mark the location of the first sector in a soft-sectored disk.

A. Address

B. Location

C. Index

D. Label

E. None of the above

 Answer Option C

31. Which system was developed by Rank-Xeron for use with office computers and other equipment.

A. UNIX

B. ETHERNET

C. PC-DOS

D. MS-DOS

E. None of the above

 Answer Option B

32. Bubble memory is a

A. Sequential access device only

B. Direct access device only

C. Combination of sequential and direct access devices

D. All of the above

E. None of the above

 Answer Option C

33. Any method for controlling access to or use of memory is known as

A. Memory map

B. Memory protection

C. Memory management

D. Memory instruction

E. None of the above

 Answer Option B

34. If, in a computer, 16 bits are used to specify addresses in a RAM, the number of addresses will be

A. 216

B. 65,536

C. 64K

D. Any of the above

E. None of the above

 Answer Option D

35. What is the storage capacity of a Hollerith card which is organized into nibbles?

A. 32

B. 64

C. 128

D. 240

E. None of the above

 Answer Option D

36. A type of instruction that can produce several lines of machine language code is a

A. Mnemonic

B. Address

C. Macro

D. assemble

E. None of the above

 Answer Option C

37. A common use of computer in office is for

A. Distributed

B. Word processing

C. Data

D. All of the above

E. None of the above

 Answer Option B

38. The imitation of one device or system by another is

A. Simulation

B. Emulation

C. Resilience

D. Compaction

E. None of the above

 Answer Option B

39. A type of semiconductor memory that usually has small capacity but very fast access is

A. PROM

B. RAM

C. Scratchpad

D. ROM

E. None of the above

 Answer Option C

40. Third generation computers

A. were the first to use built-in error detecting devices

B. used transistors instead of vacuum tubes

C. were the first to use neural network

D. All of the above

E. None of the above

 Answer Option E

41. High-level languages are not concerned with computer but with

A. Assembler

B. Machine code

C. Compiler

D. All of the above

E. None of the above

 Answer Option A

42. Which of the following term is used in connection with the organisation of files in ALGOL 68

A. Blow

B. Machine

C. Biquinary

D. Book

E. None of the above

 Answer Option D

43. The methods used by COBOL to define that structure of a data item in terms of characters, digits, etc. is

A. Password

B. Pointer

C. Picture

D. Overlay

E. None of the above

 Answer Option C

44. Which of the following transfers data contained on computer cards to the computer system.

A. Card sorter

B. Card reader

C. Magnetic disk

D. Magnetic tape

E. None of the above

 Answer Option B

45. The difference between memory and storages is that memory is _____ and storage is _____

A. Temporary, permanent

B. Permanent, temporary

C. Slow, fast

D. AH of the above

E. None of the above

 Answer Option A

46. Which most popular input device used today for interactive processing & for the on line entry of data for batch processing.

A. Mouse

B. Magnetic disk

C. Visual display terminal

D. Card punch

E. None of the above

 Answer Option C

47. A fully functional computing device containing all the elements of a computer which is built around a MICROPROCESSOR is known as

A. Machine-in-built computer

B. Super computer

C. Micro computer

D. Mini computer

E. None of the above

 Answer Option C

48. There are historical evidences to prove that abacus was first used in

A. India

B. Japan

C. China

D. Indonesia

E. None of the above

 Answer Option C

49. A class of random access memory that requires periodic servicing in order for the contents to remain valid is

A. Static RAM

B. Dynamic RAM

C. PROM

D. EPROM

E. None of the above

 Answer Option B