Learn With Computer (4) Lesson 2: Parts of the COMPUTER SYSTEM Solution

EXERCISE

A. Multiple Choice Question. Tick (✔) the correct option.

(1) Data and information are the same thing.

a. Yes

b. No ✓

(2) RAM is ........ in nature.

a. Slow

b. Temporary ✓

с. Permanent

(3) ROM is ......... in nature.

a. Faster

b. Temporary

C. Permanent ✓

(4) CPU is divided into ........ parts.

a. One

b. Two

c. Three ✓

(5) 1024 bytes is equal to ......... .

a. 1 KB ✓

b.1 GB

c. 1 MB

B. Fill in the blanks:

(Temporary, permanent, ROM, RAM, 1024)

(1) RAM is called Random Access Memory.

(2) ROM is called Read Only Memory.

(3) 1024 bytes in 1 KB.

(4) RAM is a temporary memory.

(5) ROM is a permanent memory.

C. Mark these statement as correct (✔) or incorrect (×)

(1) A computer has two main unit. ×

(2) RAM stands for Random Access memory. ✓

(3) 1 KB is equal to 1024 bytes. ✓

(4) Mouse is the Output device. ✓

(5) GB stands for Giga Bytes. ✓

D. Match the following:

(a) 1 KB  (i) 1024×1024×1024 bytes

(b) 1 MB  (ii) 1024×1024×1024×1024 bytes

(c) 1 GB          (iii) 1024 bytes

(d) 1 TB.          (iv) 1024×1024 bytes

Ans: (a) - (iii); (b) - (iv) ; (c) - (i) ; (d) - (ii)

E. Answer the following questions.

1. What are the main parts of a computer?

Ans: The main parts of a computer are Input Unit, Central Processing Unit and Output Unit

2. What are the main parts of central processing unit?

Ans: The CPU divided into three parts : Control Unit, Arithmetic logic Unit, Memory unit

3. What are the use of Memory unit?

Ans: The memory unit stores Data, Instructions and Result in it.

4. What is RAM? Explain it.

Ans: RAM is a temporary memory. It means Random Access Memory. This memory can be read and we can write into this memory. 

5. What is ROM? Explain it.

Ans: Ram is a permanent memory.  It gives instructions to the computer. We cannot change the content of this memory ROM is a permanent memory.