COMPUTER KNOWLEDGE1

The brain of any computer system is

ALU

Memory

CPU

Control unit

People often call ______ as the brain of computer system

Control Unit

Arithmetic Logic Unit

Central Processing Unit

Storage Unit

The basic operations performed by a computer are

Arithmetic operation

Logical operation

Storage and relative

All the above

Computer is free from tiresome and boredom. We call it

Accuracy

Reliability

Diligence

Versatility

CD-ROM is a

Semiconductor memory

Memory register

Magnetic memory

None of above

Which of the following is not an input device?

Keyboard

Mouse

Scanner

Monitor

Which of the following is not an output device?

Monitor

Printer

Plotter

Keyaboard

A computer consists of

A central processing unit

A memory

Input and output unit

All of the above

The term gigabyte refers to

1024 bytes

1024 kilobytes

1024 megabytes

1024 gigabyte

A byte consists of

One bit

Four bits

Eight bits

Sixteen bits

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