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Classes
- Grade 9
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- Grade 11
- Grade 12
Aptitude Tests

Browse Worksheets
Classes
- Grade 9
- Grade 10
- Grade 11
- Grade 12
Aptitude Tests

Browse Worksheets
Classes
- Grade 9
- Grade 10
- Grade 11
- Grade 12
Aptitude Tests

Computer XI, CHAPTER 2: THE SYSTEM UNIT AND COMPUTER MEMORY

Leave a Comment / By Afshan JAMAL / June 16, 2026

Welcome to your Computer XI, CHAPTER 2: THE SYSTEM UNIT AND COMPUTER MEMORY

The central processing unit is an example of_____

software

a program

hardware

an output unit

None

Which part of CPU performs all arithmetic and logic calculations on data it receives?

Control unit

Main Memory Unit

ALU

Read Only Memory

None

Which of the following can be output by a computer?

graphics and text

voice

computer usable information

All of the above

None

An example of peripheral equipment is the____

CPU

spreadsheet

printer

personal computer

None

Which element is commonly used in the making of solid-state integrated circuits?

lithium

copper

iron

silicon

None

ASCII is the abbreviation of_____

Application Software Code for Information Interchange

American Standard Code for Information Interchange

American System Code of Information Interchange.

American Symbolic Code of Information Interchange

None

ROM is the abbreviation of_____

read-only memory

random only memory

read on memory

all of the above

None

A group of 4 bits is called a_____

byte

word

nibble

all of the above

None

Which of these statements are correct for SRAM?

Choose the correct option.

It needs refreshing

It uses capacitors to store data

It uses transistor to store data

None of these

None

2. Which of these are not memory devices of a computer?

Choose the correct option.

Screen

Cache

Floppy

All of these

None

1. What is computer memory?

Choose the correct option.

device used to store information in computer

device to print output to screen

device to process data

None of these

None

3. Which of these memory devices can be removed from the computer?

Choose the correct option.

Floppy

RAM

Hard disk

Register

None

15. DRAM has which of these features?

Choose the correct option.

It needs refreshing

It uses capacitors to store data

It is less expensive

All of these

None

14. Which of these devices use capacitors to store data?

Choose the correct option.

SRAM

DRAM

ERAM

PRAM

None

5. How many types of computer memory are present?

Choose the correct option.

5

2

3

7

None

4. Which of these is a storage device?

Choose the correct option.

CD ROM

Resistor

Cache Memory

All of these

None

8. What does RAM stand for?

Choose the correct option.

Read and write memory

Random Access Memory

Random Access Module

Read According Message

None

12. What does SRAM stand for?

Choose the correct option.

Strong Random Access Memory

Serialized Random Access Memory

Static Random Access Memory

All of these

None

9. What is RAM in a computer?

Choose the correct option.

Primary memory that stores data at random memory location

Primary memory that stores data at contiguous memory location

Detachable memory to upgrade computer's storage

All of these

None

11. Which of these is a category of RAM?

Choose the correct option.

Erasable RAM

Dynamic RAM

Programmable RAM

None of these

None

10. Is RAM a volatile memory?

Choose the correct option.

Yes

No

None

7. Which of these is not a feature of primary memory?

Choose the correct option.

It is fast

It holds instructions for computer

It is volatile

All of these

None

6. Which of these are considered as primary memory?

Choose the correct option.

RAM

ROM

Cache

Both A and B

None

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