Page 87 - Viva ICSE Computer Studies 2 : E-book
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4. A computer helps in keeping records of diseases in bank. __________
5. Mouse is a storage device. __________
6. A keyboard contains many keys called buttons. __________
7. Number keys have numbers from 1–10 on them. __________
8. An arrow-like pointer moves on a screen on moving a mouse. __________
9. A scroll mouse has three buttons and a scroll in the middle. __________
10. Drawing Area is the area where we draw a picture. __________
11. Quick Access Toolbar has buttons like Save, Undo and Redo
to do diff erent tasks. __________
12. We click on Save button to open a fi le. __________
13. We click on Open button to save a fi le. __________
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. A computer works very fast. It does not get _______.
(a) instructions (b) tired (c) electricity (d) user
3. In hospitals, a computer helps in making _______.
(a) medical reports (b) accounts
(c) reports (d) movies
4. A computer helps in designing security weapons in _______.
(a) defense centres (b) space centres
(c) hospitals (d) banks
5. _______ looks like a rectangular box.
(a) Mouse (b) Hard disk (c) Pen drive (d) Keyboard
6. _______ stores more data than CD/DVD.
(a) Pen drive (b) Hard disk (c) Speakers (d) Microphone
7. _______ key is used to move cursor to the beginning of the next line.
(a) Enter (b) Delete (c) Arrow (d) Backspace
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