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Worksheets

COA

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

physical structure of computer is called

a)

Software

b)

Hardware

c)

Human ware

d)

All of these

2.

The basic operations performed by a computer are

a)

Arithmetic Operation

b)

Logical Operation

c)

Storage and Relative

d)

All of these

3.

The basic Von-Neumann architecture is defined as one composed of _____.

a)

a CPU, one memory space, an input unit and an output unit

b)

a CPU, two memory spaces, an input unit and an output unit

c)

two CPUs, one memory space, an input unit and an output unit

d)

two CPUs, two memory spaces, an input unit and an output unit.

4.

A..........................is a computer system with two or more central processing units (CPUs) share full access to a common RAM.

a)

Multiprocessor

b)

Multi-computer

c)

single computer

d)

None of these

5.

A............................ system is a computer system with multiple processors that are connected together to solve a problem. Each processor has its own memory and it is accessible by that particular processor and those processors can communicate with each other via an interconnection network.

a)

Multiprocessor

b)

Multi-computer

c)

single computer

d)

None of these

6.

The control unit controls other units by generating.............

a)

Control signals

b)

Timing signals

c)

Transfer signals

d)

Command signals

7.

1. Which unit is responsible for converting the data received from the user into computer understandable format?

a)

Memory Unit

b)

Arithmetic & Logic Unit

c)

Input Unit

d)

Output Unit

8.

2. The only language which the computer understands is ______________

a)

Assembly Language

b)

Binary Language

c)

BASIC

d)

C Language

9.

3. The smallest unit of data in computer is ________________

a)

Nibble

b)

Bit

c)

KB

d)

Byte

10.

What does the COMPUTER stands for?

a)

Commonly Operated Machines Used in Technical and Educational Research

b)

Commonly Occupied Machines Used in Technical and Educational Research

c)

Commonly Operated Machines Used in Technical and Environmental Research

d)

Commonly Oriented Machines Used in Technical and Educational Research

11.

Which of the following is not a function of the Input Unit?

a)

It reads instructions and data from the outside world.

b)

It converts the data into computer acceptable format.

c)

It makes the data into user understandable format.

d)

It supplies the data and instructions to the computer for further processing

12.

Label the parts 1 and 2:

a)

1.ALU 2. MU

b)

1.Output unit 2.Input Unit

c)

1.MU 2. ALU

d)

1.Input Unit 2.Output Unit

13.

The process of producing useful information for the user is called ___________

a)

Controlling

b)

Outputting

c)

Inputting

d)

Processing

14.

Which of the following is not a function of the Output Unit?

a)

It produces results that can be easily understood by the user

b)

It accepts the results produced by the computer

c)

It supplies the data and instructions to the outside world

d)

It supplies the data and instructions to the computer for further processing

15.

Saving data and instructions to make them readily available is the job of

a)

Storage Unit

b)

Cache Unit

c)

Input Unit

d)

Output Unit

16.

The two basic types of memory in a computer are ________

a)

Primary and major

b)

Primary and Secondary

c)

Minor and Major

d)

Main and virtual

17.

The ‘heart’ of the processor which performs many different operations

a)

Arithmetic and logic unit

b)

Motherboard

c)

Control Unit

d)

Memory

18.

Which of the following is not a characteristic of a computer?

a)

Diligence

b)

I.Q.

c)

Accuracy

d)

Versatility

19.

What does MAR stand for?

a)

Main Address Register

b)

Memory Access Register

c)

Main Accessible Register

d)

Memory Address Register

20.

A bit in a computer terminology means either 0 or 1.

a)

True

b)

False