Page 73 - Viva ICSE Computer Studies 1 : E-book

7. We should keep the computer room clean. ______________

8. We should never touch the computer wires. ______________

9. On moving the mouse, the pointer moves in opposite
direction. ______________

10. When we click the left button of a mouse, it is called

simply click. ______________

11. A small light is turned ON on the keyboard when we
press Caps Lock key. ______________

12. Arrow keys are used to move the cursor on the keyboard. ______________

13. Memory card is called a pen drive. ______________

14. A hard disk stores less memory than a CD and DVD. ______________

C Choose the correct answer.

1. Computer ______________ can attack the computer due to which it may not

work properly.
(a) virus (b) bacteria

(c) germs (d) device

2. Many machines which we use run on ______________.

(a) electricity (b) water
(c) legs (d) air

3. ______________ can make some machines work.

(a) Animals (b) Humans

(c) Plants (d) Water

4. A computer can be used to keep records of patients in a ______________.

(a) hospital (b) bank

(c) home (d) offi ce

5. A computer is used to deposit and withdraw money in a ______________.
(a) bank (b) hospital

(c) home (d) offi ce

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