Lesson 3 Operating a Computer Class-2

Computer Science

Class-II

Lesson 3 Operating a Computer

Q 1. Use the correct word given in the cloud and fill in the blanks:

{ UPS, On, CPU, Monitor }

STEP - I   Switch _On   the main power supply button.

STEP - II Switch on the _UPS   . 

STEP - III Switch on the power supply button of the __CPU    .

STEP - IV Switch on the Monitor   .

Q2. Write the steps to switch OFF the computer.

1. Click on the Start Button  .

2. Click on the Shut Down Button    .

3. Wait for the screen to  Turn Black    .

4. Switch off  the Monitor   .

5. Switch off    the UPS   .

6. Switch off the _the Main Power Supply Button  .

Q3. Put R for the correct answer and Q for the incorrect answer.

1. The long bar at the bottom of the screen is the taskbar.R

2. Wallpaper is the background picture that displays on your desktop. R

3. The Start button is seen on the bottom right corner of the taskbar.Q

4. Small pictures on the desktop are called games.Q

5. When a computer is switched on, many small pictures appear on the desktop.R

Q4. Match the following:

1. The screen which appears after starting the computer	a) Icons
2. The button present on the left of the taskbar	b) Desktop
3. The bar at the bottom of the screen	c) Start
4. The small picture on the desktop	d) Taskbar

Answer: 1. The screen which appears after starting the computer -- b) Desktop

2. The button present on the left of the taskbar -- c) Start

3. The bar at the bottom of the screen -- d) Taskbar

4. The small picture on the desktop -- a) Icons

5. Answer the following question:-

1. In how many steps you will start your computer?

Ans: Four steps

2. What is desktop?

Ans: First screen of computer is called desktop.

3. What is taskbar?

Ans:The bottom most bar of the desktop is called taskbar.

4. What are icons?

Ans: Small picture on the desktop is called icons.