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2. Input: keyboard, mouse
Output: monitor, printer
3. Icon is a small graphic representation of a program or file or application shortcuts that,
when clicked on, will be run or opened.
4. i. Right click on an empty space on the desktop and click on Personalize.

ii. Click on background
iii. Choose picture from list or Browse the picture on your computer
5. CPU is that part of computer which controls all the other parts of computer
CPU is further divided into two parts:
i. CU (Control Unit): It controls the processing of computer

ii. ALU (Arithmetic Logical Unit): It handles both arithmetic and logical operations.
iii. MU (Memory Unit): It is used to store data.

B. Fill in the blanks.

1. Desktop 2. Paper 3. UPS 4. Enter Key 5. Mouse

C. Match the following:
1. d 2. a 3. e 4. b 5. c

D. Answer the following in one-word:

1. Uninterruptible Power Supply 2. Control Unit 3. Caps Lock
4. Speaker 5. Peripherals

E. State whether these statements are true or false.

1. False 2. False, 3. True 4. True 5. False

Chapter 4

Exercise

A. Answer the following questions:

1. Cut option move the selected text at new position whereas copy makes a duplicate copy of
selected text.
2. Bulleted list
3. Name of the document

4. Use superscript option on formatting toolbar
5. Normal, Web, Outline

B. Fill in the blanks.

1. Untitled1 2. Text formatting 3. Status 4. Esc
5. Justify

98 KVS DELHI REGION 2025