|Kips Information Technology Class 9
|Unit-2 Data Entry and Keyboarding Skills
|2 Using Data Entry Tools
|Other Chapters Solutions
|Kips IT Class 9 Solutions
Answer the Following Questions:
What are Home Row keys?
The home row keys (also called as Home Keys) are the row of keys on the computer keyboard your fingers rest on when not typing. For example, on the standard QWERTY keyboard, the home row keys for your left hand are A, S, D, and F and your right hand are J, K, L, and ; (semicolon).
Why is it important to maintain a proper posture while working on a computer?
While typing, It is important for the user to maintain the correct posture as the ideal typing posture minimises both static and dynamic muscle loads. Correct position of the body helps to make you avoid health complications. The few points mentioned below can help the user to maintain correct posture while typing:
• Always remember to keep your back straight.
• Keep your elbows bent at the right angle.
• Face the screen with your head slightly tilted forward.
What is a pointing device? What is it used for?
A pointing device is an input device used to point at an object on the computer screen. You can point, select, open, and even drag an item on the screen. The pointing devices are also used to draw and play games on the computer.
What is the difference between a mechanical mouse and an optical mouse?
Mechanical Mouse: The mechanical mouse has a rolling rubber ball under the case of the mouse. The movement of the pointer is controlled by the ball.
Optical Mouse: The optical mouse uses laser to control the movement of the pointer. It does not have a ball. You can see the light by tilting the mouse.