12/18/2018

Class 4 Chapter 6 The correct way of operating a computer

Q.4. Answer the following questions:
a) Write down the steps to start your computer.
Ans: Steps to start computer are as follows:
Step 1 : Switch on the main power supply button.
Step 2: Switch on the power button of the system unit and monitor.
Step 3: Wait for some time and if username and password is requested type it and press enter key.
Now your computer is ready for you.
b) Write down the steps to shut down your computer.
Ans: Steps to shutdown computer are as follows:
Step 1 : Save all your work and close all the opened programs.
Step 2 : Click on the start button. Then start menu will display.
Step 3 : Click the drop down button situated at the buttom right of dialogue box.
Step 4: Select and click on the shut down option.
Step 5 : After shutting down your computer switch off all power supply of your computer system.
c) Explain the correct ways of using mouse.
Ans: The correct ways of using mouse are as follows:
i) Always use the mouse by placing it on the mouse pad. 
ii) Place your mouse at elbow level. 
iii) Hold the mouse gently. Do not grip it tightly.
iv) Avoid bending your wrist up, down or to the sides.
v) Use a light touch when clicking a mouse button.
vi) Keep your fingers relaxed.
d) Explain the correct ways of using keyboard.
Ans: Correct ways of using keyboard are:
i) Place your keyboard at elbow level.
ii) center your keyboard in front of you.
iii) Type with your hands and wrists floating above the keyboard.
iv) Avoid resting your palms or wrists on any type of surface while typing.
v) Use a light touch and keep your wrists straight.
vi) Do not press the keys on the keyboard too hard.
e) Write down any four safety habits while working on the computer.
Ans: Any four safety habits while working on the computer are:
1) Your eyes should not be too close to the monitor.
2) The monitor should be positioned slightly below eye level.
3. Rest your eyes by looking away from the screen frequently.
4. your feet should be flat on the floor.
f. What is computer software?
Ans: A group of programs that performs a particular task is called software.
g. What is a computer system?
Ans: Different Hardware components and software together form a computer system.
h. What happens when you start your computer?
Ans: When we start our computer the operating system starts its processing to make the computer ready for you to work.