Computer Science - Computer Fundamentals Part 2

1. A technique used by codes to convert an analog signal into a digital bit stream is known as

A.
Pulse code modulation

B.
Pulse stretcher

C.
Query processing

D.
Queue management

E.
None of the above

 Answer Option A

2. An optical input device that interprets pencil marks on paper media is

A.
O.M.R

B.
Punch card reader

C.
Optical scanners

D.
Magnetic tape

E.
None of the above

 Answer Option A

3. Most important advantage of an IC is its

A.
Easy replacement in case of circuit failure

B.
Extremely high reliability

C.
Reduced cost

D.
Low power consumption

E.
None of the above

 Answer Option B

4. Data division is the third division of a _____ program.

A.
COBOL

B.
BASIC

C.
PASCAL

D.
FORTH

E.
None of the above

 Answer Option A

5. Which language was devised by Dr. Seymour Aubrey Papert?

A.
APL

B.
COBOL

C.
LOGO

D.
FORTRAN

E.
None of the above

 Answer Option C

6. A program that converts computer data into some code system other than the normal one is known as

A. Encoder

B. Simulation

C. Emulator

D. Coding

E. None of the above

 Answer Option A

7. A device designed to read information encoded into a small plastic card is

A. Magnetic tape

B. Badge reader

C. Tape puncher

D. Card puncher

E. None of the above

 Answer Option B

8. A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.

A. Modulator

B. Demodulator

C. Modem

D. Decoder

E. None of the above

 Answer Option C

9. A group of magnetic tapes, videos or terminals usually under the control of one master is

A. Cylinder

B. Cluster

C. Surface

D. Track

E. None of the above

 Answer Option B

10. Any device that performs signal conversion is

A. Modulator

B. Modem

C. Keyboard

D. Plotter

E. None of the above

 Answer Option A

11. Codes consisting of light and dark marks which may be optically read is known as

A. Mnemonics

B. Bar code

C. Decoder

D. All of the above

E. None of the above

 Answer Option B

12. A type of channel used to connect a central processor and peripherals which uses multipling is known as

A. Modem

B. Network

C. Multiplexer

D. All of the above

E. None of the above

 Answer Option C

13. The first generation of computers available was based on the bit micro processors.

A. 4

B. 8

C. 16

D. 64

E. None of the above

 Answer Option B

14. The complete picture of data stored in database is known as

A. Record

B. Schema

C. System flowchart

D. DBMS

E. None of the above

 Answer Option B

15. Which of the following is intended to be used in all applications runs on mainframe computers.

A. LOGO

B. APL

C. PL/1

D. OCCAM

E. None of the above

 Answer Option C

16. A language which is close to that used within the computer is

A. High-level language

B. Assembly language

C. Low-level language

D. All of the above

E. None of the above

 Answer Option C

17. Which is a unit representing the no bits of discrete.

A. Baud

B. Byte

C. Bit

D. All of the above

E. None of the above

 Answer Option A

18. The device that can both feed data into and accept data from a computer is

A. ALU

B. CPU

C. Input-Output device

D. All of the above

E. None of the above

 Answer Option C

19. The personnel who deals with the computer & its management put together are called

A. Software

B. Humanware

C. Firmware

D. Hardware

E. None of the above

 Answer Option B

20. A modern digital computer has

A. Extremely high speed

B. Large memory

C. Almost unlimited array

D. All of the above

E. None of the above

 Answer Option D

21. Which of the following can store information in the form of microscopic pits on metal disks.

A. Laser disks

B. Tape cassettes

C. RAM cartridge

D. Punched cards

E. None of the above

 Answer Option A

22. A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is

A. Touch panel

B. Mouse

C. Wand

D. Writing tablet

E. None of the above

 Answer Option D

23. A storage system for small amounts of data is

A. Magnetic card

B. Magnetic tape

C. Punched card

D. Optical mark reader

E. None of the above

 Answer Option A

24. Which is another name for functional language?

A. Machine

B. Application language

C. Low-level language

D. High-level language

E. None of the above

 Answer Option B

25. Compilers and interpreters are themselves

A. High-level language

B. Codes

C. Programs

D. Mnemonics

E. None of the above

 Answer Option C

26. A compiler means

A. A person who compiles source programs

B. The same thing as a programmer

C. Keypunch operator

D. A program which translates source program into object program

E. None of the above

 Answer Option D

27. A pen shaped device which can sense light, and is used to point at spots on a video screen.

A. Mouse

B. Light pen

C. Joystick

D. Plotter

E. None of the above

 Answer Option B

28. A notation used to express clearly on algorithm is known as

A. Algorithmic language

B. Assembly language

C. Machine language

D. High level language

E. None of the above

 Answer Option A

29. Compression of digital data for efficient storage is

A. Buffer

B. CPU

C. Packing

D. Field

E. None of the above

 Answer Option C

30. An operating system intended for use on microprocessor based systems that support a single user is

A. PC-DOS

B. MS-DOS

C. UNIX

D. CP/M

E. None of the above

 Answer Option D

31. Which programming language is based on Algol 60.

A. PILOT

B. SNOBOL

C. ADA

D. SIMULA

E. None of the above

 Answer Option D

32. Computer memory consists of

A. RAM

B. ROM

C. PROM

D. All of the above

E. None of the above

 Answer Option D

33. A path by which communication is achieved between a central processor and other devices is called

A. Audit trail

B. Network

C. Bus

D. Channel

E. None of the above

 Answer Option C

34. A stand-alone system which produces one page of printed output at a time is

A. Page printer

B. Line printer

C. Laser printer

D. Dot matrix printer

E. None of the above

 Answer Option A

35. A memory that does not change its contents without external causes is known as

A. Dynamic memory

B. Static memory

C. RAM

D. EEPROM

E. None of the above

 Answer Option B

36. The report card and merit list forms the

A. Output data

B. Data processing

C. Central Processing

D. Input data

E. None of the above

 Answer Option A

37. A number which is stored and processed but not in the standard exponential form is called

A. Floating point number

B. Fixed point number

C. Octal number

D. Decimal number

E. None of the above

 Answer Option B

38. A memory that holds micro programs is

A. Core memory

B. ROM

C. RAM

D. Control memory

E. None of the above

 Answer Option B

39. A device invented by Dr. Bobeck in 1966, for mass storage of data is

A. Punched paper tape

B. Magnetic bubble storage

C. Magnetic tape

D. Magnetic disk

E. None of the above

 Answer Option B

40. The organization and interconnection of the various components of a computer system is

A. Architecture

B. Networks

C. Graphics

D. Designing

E. None of the above

 Answer Option A

41. Which of the following is the coding of data so that is can't be easily understood if intercepted.

A. Barcode

B. Decoder

C. Encryption

D. Mnemonics

E. None of the above

 Answer Option C

42. RAM is used as a short memory because it is

A. Volatile

B. Has small capacity

C. Is very expensive

D. Is programmable

E. None of the above

 Answer Option A

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

A. Doing quick mathematical calculations

B. Input storage, manipulation of outputting of data

C. Electronic data processing

D. Performing repetitive tasks accurately

E. None of the above

 Answer Option B

44. Which is a device that changes information into digital form?

A. Modem

B. Digitizer

C. Mouse

D. Light pen

E. None of the above

 Answer Option B

45. An index register that is automatically incremented or decremented with each use is

A. Auto index

B. Asynchronous

C. Assembler

D. Compiler

E. None of the above

 Answer Option A

46. Which network is a packet switching network?

A. Ring network

B. LAN

C. Star network

D. EuroNET

E. None of the above

 Answer Option D

47. Symbolic languages were developed in

A. 1962

B. 1950

C. 1974

D. 1980

E. None of the above

 Answer Option B