COMPUTER SCIENCE MCQS PART.1

COMPUTER SCIENCE MCQS PART.1

1) Separate Read/Write heads are required in which of these memory access schemes.

A.   Random Access

B.   Sequential Access

C.   Direct Access

D.   None of these

2) The ALU of a computer response to the commands coming from

A.   Primary memory

B.   Control memory

C.   External memory

D.   Cache memory

3) What allows you to print on both sides of the printers?

A.   Fuser

B.   Duplexer

C.   Toner

D.   Paper swapping unit

4) A register organized to allow to move left or right operations is called a ….

A.   Counter

B.   Loader

C.   Adder

D.   Shift register

5) Before a disk drive can access any sector record, a computer program has to provide the record‘s disk address what information does this address specify?

A.   Track number

B.   Sector number

C.   Surface number

D.   All of the above

6) Laser Jet Printer speeds are measured in pages per minute(PPM), what do we use to measure dot-matrix printers?

A.   Lines per inch

B.   Lines per sheet

C.   Characters per inch

D.   Characters per second

7) Which of the following have the fastest access time?

A.   Semiconductor Memories

B.   Magnetic Disks

C.   Magnetic Taps

D.   Compact Disks

8) Which printer is very commonly used for desk to publishing?

A.   Laser Printer

B.   Ink jet printer

C.   Daisy wheel printer

D.   Dot matrix printer

9) What is a common language that computers use to talk with one another on a network?

A.   Client

B.   Adapter

C.   Protocol

D.   Operating Systems

10) A hard disk is divided into tracks, which are further subdivided into …

A.   Clusters

B.   Sectors

C.   Vectors

D.   Heads

11) Processors of all computers, whether micro, mini or mainframe must have …

A.   ALU

B.   Primary storage

C.   Control Unit

D.   All of the above

12) The hardware in which data may be stored for a computer system is called …

A.   Register

B.   Bus

C.   Control Unit

D.   Memory

13) 1 bytes is equal to …..

A.   4 bits

B.   10 bits

C.   8 bits

D.   None of the above

14) The term “memory” applies to which one of the following …

A.   Logic

B.   Storage

C.   Control

D.   Input device

15) The first electronic digital computer contained ..

A.   Electronic valves

B.   Vacuum tubes

C.   Transistors

D.   Semiconductor memory

16) The metal disks, which are permanently housed in, sealed and contamination free containers are called ….

A.   Hard disk

B.   Floppy disk

C.   Winchester disk

D.   Flexible disk

17) Which can read data and convert them to a form that a computer can use?

A.   Logic

B.   Storage

C.   Control

D.   Input device

18) Which of the following registers is loaded with the contents of the memory location pointed by the PC?

A.   Memory Address Register

B.   Memory Data Register

C.   Instruction Register

D.   Program Counter

19) 4 bits are equal to ….

A.   Nibble

B.   Data

C.   Bit

D.   Bytes

20) Which is not true of primary storage?

A.   Information must be transferred to primary storage

B.   It allows very fast access to data

C.   It is the part of the CPU

D.   All of the above

21) The unit of a computer system that executes program communicates with and often controls the operation of other subsystems of the computer is known as

A.   CPU

B.   control unit

C.   I/O unit

D.   peripheral unit

22) Which of the following registers is used to keep track of address of the memory location where the next instruction is located?

A.   Memory address register

B.   Memory data register

C.   Instruction register

D.   Program counter

23) Primary storage is …….. as compared to secondary storage.

A.   slow and inexpensive

B.   fast and inexpensive

C.   fast and expensive

D.   slow and expensive

24) A memory bus is mainly used for communication between

A.   Processor and memory

B.   Processor and I/O memory

C.   Input device and output device

D.   None of the above

25) What is the name of the reading device which makes use of photo sensors and laser technologies to interpret printed, typed or even hand written data directly from the source document?

A.   MICR

B.   OCR

C.   Mark sensing device

D.   ATM

26) Which is widely used in academic testing?

A.   MICR

B.   POS

C.   OCR

D.   OMR

27) The OCR stands for

A.   Out-sized character reader

B.   Optical character recognition

C.   Operational character reader

D.   Only character reader

28) Hard disks and diskette are …

A.   Direct access devices

B.   Sequential access devices

C.   Rarely used with micro computers

D.   Both A and B

29) Magnetic tape can serve as

A.   Input media

B.   Output media

C.   Secondary media

D.   All of the above

30) RAM is used as short memory because it

A. is volatile

B. is very expensive

C. has small capacity

D. is programmable

Also Read:
COMPUTER STUDY MCQS PART.2

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