الخميس، 1 يناير 2015

MCQ on Computer Fundamentals with Answers set-8


1) The transistorized computer circuits were introduced in the

A. First generation

B. Second generation

C. Third generation

D. Fourth generation


2) Which of the following is required when more than one person uses a central computer at the same time?

A. Terminal

B. Light pen

C. Digitize

D. Mouse


3) Which of the following memories has the shortest access time?

A. Cache memory

B. Magnetic Bubble memory

C. Magnetic core memory

D. RAM


4) An output device that uses words or messages recorded on a magnetic medium to produce audio response is ...

A. Magnetic tape

B. Voice response unit

C. Voice recognition unit

D. Voice band


5) Typical data transfer rates in LAN are of the order of

A. Bits per sec

B. Kilo bits per sec

C. Mega bits per sec

D. None of the above


6) The two types of computer chips are

A. External memory Chip

B. Primary memory Chip

C. Microprocessor chips

D. Both A and B


7) Programs designed to perform specific tasks is known as

A. System software

B. Application Software

C. Utility Programs

D. Operating system


8) A plastic card similar to a credit card but having some memory and a microprocessor embeded within it is ...

A. Punch Paper Tape

B. Chip Card

C. Card Punch

D. Magnetic Tape


9) A network topology in which the outer nodes connect to a single central node is ....

A. LAN

B. Broadband network

C. Passive star

D. Pass band


10) The central processing unit(CPU) consists of

A. Input, output and processing

B. Control unit, Primary storage and secondary storage

C. Control unit arithmetic-logic unit, and primary storage

D. Control unit, processing, primary storage



11) Which was the most popular first generation computer?

A. IBM 1650

B. IBM 360

C. IBM 1130

D. IBM 2700


12) A storage device where the access time is dependent upon the location of the data is ..

A. Random access

B. Serial access

C. Sequential access

D. Transaction access


13) The computer code of the interchange of information between terminals is ...

A. ASCII

B. BCD

C. EBCDIC

D. All of the above


14) 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


15) What is the responsibility of the logical unit in the CPU of a computer?

A. To produce result

B. To compare numbers

C. To control flow of information

D. To do math's works


16) A hybrid computer ..

A. Resembles digital computer

B. Resembles analog computer

C. Resembles both a digital and analog computer

D. None of the above


17) 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


18) Which of the following produces the best quality graphics reproduction?

A. Laser printer

B. Ink jet printer

C. Plotter

D. Dot matrix printer


19) Which of the following is used for manufacturing chips?

A. Control bus

B. Control unit

C. Parity unit

D. Semiconductor


20) A set of information that defines the status of resources allocated to a process is ...

A. Process control

B. ALU

C. Register unit

D. Process description

Answers:

1) B. Second generation
2) A. Terminal
3) A. Cache memory
4) B. Voice response unit
5) C. Mega bits per sec
6) D. Both A and B
7) C. Utility Programs
8) A. Punch Paper Tape
9) C. Passive star
10) D. Control unit, processing, primary storage
11) A. IBM 1650
12) B. Serial access
13) A. ASCII
14) B. Address bus
15) B. To compare numbers
16) C. Resembles both a digital and analog computer
17) A. Pulse code modulation
18) C. Plotter
19) D. Semiconductor
20) D. Process description


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