Page 99 - 2501_KVS_C-3

Central Processing Unit

Arithmetic Logic Unit
Input Devices Output Devices
Control Unit

Memory Unit

2. Computer is called versatile in nature because it can do variety of operations on same set
of data.

3. Disadvantages of computer are:
Zero IQ: Computer has no IQ level.
No decision making: Computer cannot make any decision by itself.

Electricity: Computer needs electricity to work.
4. Students can write any four applications learned in chapter.
5.
HARDWARE SOFTWARE

Hardware are the devices used in or Software are the programs you run on
with your computer computer

We can touch We cannot touch
Example: Monitor, CPU Example : Tux Paint

B. Fill in the blanks.

1. Teaching, Learning 2. Fast 3. Memory 4. Four 5. Shut down

C. Match the following:

1. c 2. e 3. a 4. b 5. d

D. Answer the following in one-word:
1. Keyboard (or any other) 2. Tux paint (or any other)

3. Central Processing Unit 4. Monitor (or any other) 5. Hospital

E. State whether these statements are true or false.
1. False 2. False 3. False 4. True 5. True

Chapter 3

Exercise

A. Answer the following questions:
1. This key is used in conjunction with other keys to perform special operations like Ctrl+C
to copy, Ctrl+V to paste etc.

Appendix-I (Answers) 97