computer mcqs

1. 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: B

2. Compilers and interpreters are themselves

A. High-level language

B. Codes

C. Programs

D. Mnemonics

E. None of the above

Answer: C

3. 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: D

4. 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: B

5. 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: A

6. Compression of digital data for efficient storage is

A. Buffer

B. CPU

C. Packing

D. Field

E. None of the above

Answer: C

7. 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: D

8. Which programming language is based on Algol 60.

A. PILOT

B. SNOBOL

C. ADA

D. SIMULA

E. None of the above

Answer: D

9. Computer memory consists of

A. RAM

B. ROM

C. PROM

D. All of the above

E. None of the above

Answer: D

10. 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: C

11. 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: A

12. 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: B

13. 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: A

14. 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: B

15. A memory that holds micro programs is

A. Core memory

B. ROM

C. RAM

D. Control memory

E. None of the above

Answer: B

16. 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: B

17. 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: A

18. 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: C

19. 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: A

20. 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: B

21. 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: B

22. 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: A

23. Which network is a packet switching network?

A. Ring network

B. LAN

C. Star network

D. EuroNET

E. None of the above

Answer: D

24. Symbolic languages were developed in

A. 1962

B. 1950

C. 1974

D. 1980

E. None of the above

Answer: B

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: A

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

A. OMR

B. Punch card reader

C. Optical scanners

D. Magnetic tape

E. None of the above

Answer: 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: 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: A

5. Which language was devised by Dr. Seymour Cray?

A. APL

B. COBOL

C. LOGO

D. FORTRAN

E. None of the above

Answer: 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: 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: 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: 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: B

10. Any device that performs signal conversion is

A. Modulator

B. Modem

C. Keyboard

D. Plotter

E. None of the above

Answer: 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: 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: 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: 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: 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: C

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

A. High-level language

B. Assembly language