CLASS I II UT SYLLABUS (2020-21) CH- 5 COMPUTER MOUSE PAGE NO. 46 [Exercise] A. Fill in the blanks.

1. A mouse has two or more buttons.

2. We keep mouse on a mouse pad.

3. Pressing the mouse is called a click.

4. The mouse pointer is a titled arrow on the monitor.

5. The is used to move up and down on a page on the monitor. B. State true (T) or false (F).

1. A mouse is used to move objects on the screen. (T) 2. A small vertical line on the monitor is called a click. (F) 3. We keep a mouse on a mouse pad. (T) 4. A scroll wheel is used to move left and right on the screen. (F) 5. A mouse pointer is used to point at or select objects on the computer screen. (T)

PAGE NO. 47 C. Label the different parts of a mouse.

LESSON – 5 (COPY WORK) Answer the following questions: Q-1: Why a mouse is used? Ans: A mouse is used to move or select objects on the computer screen. Q-2: How many buttons does a mouse have? Ans: A mouse has two buttons and a scroll wheel. Q-3: what is a mouse pointer? Ans: The mouse pointer is a titled arrow on the monitor screen. Q-4: What is the right way to use a mouse? Ans: The buttons of the mouse should always point towards the computer. Q-5: Name the different parts of a mouse. Ans: 1. Left click 2. Right click 3. Scroll wheel 4. Palm rest

CH- 6 THE KEYBOARD (BOOK WORK) PAGE NO. 53 [Exercise] A. Tick (✓) the correct answer. 1. Buttons on the keyboard are called ……………… a) keys (✓) b) pointer ( ) 2. These keys are marked with English alphabet from A to Z. a) Number keys ( ) b) Alphabet keys (✓) 3. These keys are also placed at the right side of a keyboard. a) Number keys (✓) b) Alphabet keys ( ) 4. The delete key erases the ……………. text. a) left side ( ) b) right side (✓) B. State true (T) or false (F). 1. We use the keyboard to type letters and numbers. (T) 2. You can type your name by using the number keys. (F) 3. There are two sets of alphabet keys on the keyboard. (F) 4. There are 26 alphabet keys. (T) 5. Number keys are marked with numbers from 0 to 9. (T)

C. Mark the number keys and alphabet keys in the keyboard shown below.

LESSON – 6 COPY WORK Answer the following questions: Q-1: What is the use of Caps lock key in computer? Ans: Caps lock key is used to type in capital letters. Q-2: Write the names of four special keys on the keyboard. Ans: The names of four special keys are Spacebar key, Caps lock key, Delete key, . Q-3: What is a ? Ans: Cursor is a small blinking line on the monitor which shows the position from where we can type the next character. Q-4: What are the buttons on the keyboard called? Ans: The buttons on the keyboard are called keys.