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4

The brain of any computer system is

A. ALU

B. Memory

C. CPU

D. Control unit

Correct Answer :

C. CPU


Related Questions

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4

Who invented Slide Rules?

A. John Napier

B. William Oughtred

C. Gottfried Leibnitz

D. Blaise Pascal

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4

The notable features like keyboards, monitors, GUI were developed in

A. First generation

B. Second generation

C. Third generation

D. Fourth generation

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4

What is the name of the computer terminal which gives paper printout?

A. Display screen

B. Soft copy terminal

C. Hard copy terminal

D. Plotter

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4

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 above

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4

The computer code for the interchange of information between terminals is

A. ASCII

B. BCD

C. EBCDIC

D. All of above

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4

As compared to the secondary memory, the primary memory of a computer is

A. Large

B. Cheap

C. Fast

D. Slow

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4

What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson?

A. AX3/33

B. NEC-20

C. Magnum 2000

D. HCL-3000

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4

The purpose of vacuum tube was to NOT act like

A. an amplifier

B. a switch

C. a router

D. None of above

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4

Which of the following is correct acronym of VGA?

A. Video Graphics Array

B. Visual Graphics Array

C. Volatile Graphics Array

D. Video Graphics Adapter

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4

Symbolic logic was discovered by

A. George Boole

B. Herman Hollerith

C. Van Neumann

D. Basic Pascal

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4

What was the computer invented by Attanasoff and Clifford?

A. None of above

B. Mark I

C. Z3

D. ABC

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4

The act of retrieving existing data from memory is called

A. Read-out

B. Read from

C. Read

D. All of above

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4

To prevent the loss of data during power failures, use a(n):

A. Encryption program.

B. Surge protector.

C. Firewall.

D. UPS.

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4

A state. is a bi-stable electronic circuit that has

A. Multivibrator

B. Flip-flop

C. Logic gates

D. laten

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4

After copying the content how many times can you paste?

A. 1

B. 16

C. 32

D. Many

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4

Programs designed to perform specific tasks is known as

A. system software

B. application software

C. utility programs

D. operating system

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4

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

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4

Multi user systems provided cost savings for small business because they use a single processing unit to link several

A. Personal computers

B. Workstations

C. Dumb terminals

D. Mainframes

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4

A Pixel is

A. A computer program that draws picture

B. A picture stored in secondary memory

C. The smallest resolvable part of a picture

D. None of these

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4

What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)?

A. Extended

B. Expanded

C. Base

D. Conventional

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4

Which of the following are the cheapest memory devices in terms of Cost/Bit?

A. Semiconductor memories

B. Magnetic Disks

C. Compact Disks

D. Magnetic Tapes

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4

Which of the following is a part of the Central Processing Unit?

A. Printer

B. Key board

C. Mouse

D. Arithmetic & Logic unit

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4

What is a light pen?

A. Mechanical Input device

B. Optical input device

C. Electronic input device

D. Optical output device

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4

A song being played on computer speaker is

A. hard output

B. soft output

C. both hard and soft output

D. neither hard nor soft output

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4

Which of the following processors use RISC technology?

A. 486dx

B. Power PC

C. 486sx

D. 6340

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4

What does DMA stand for?

A. Distinct Memory Access

B. Direct Memory Access

C. Direct Module Access

D. Direct Memory Allocation

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4

A small or intelligent device is so called because it contains within it a

A. Computer

B. Microcomputer

C. Programmable

D. Sensor

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4

which of the following is problem oriented language?

A. High level language

B. Machine language

C. Assembly language

D. Low level language

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4

Which operation is not performed by computer

A. Inputting

B. Processing

C. Controlling

D. Understanding

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4

Most of the first generation computers were

A. Special purpose computers

B. General purpose computers

C. Both of above

D. None of above