Computer Grade 4

Approved by: CDC/NG, Sanothimi, Bhaktapur, Nepal

School Level

COMPUTER
SCIENCE

Grade 4

Author

Kamal Bhattarai

Sunrise Publications Pvt. Ltd.

Gyaneshwor, Kathmandu

Phone: 01-4429376, 4423055































































































Class : 4 Unit Test F.M.: 20
Time: 40 Min. Computer science P.M.: 8

1. Answer the following questions: 6×1= 6

a. What is computer hardware?

b. What is input device? Write any two examples of it.

c. What is touch screen?

d. What is the use of micro phone?

e. What is touchpad?

f. What is dragging?

2. Match the following: 0.5×4= 2
a. Microphone
b. Delete key (c) Gamming input device
c. Joysticks (d) Pressing and realizing the mouse buttons
d. Clicking (a) Audio input device
(b) Delete selected items

3. Write the technical terms for the following: 0.5×4 =2

a. Touch sensitive screen. Touch screen

b. The camera that is used in internet chatting. Web camera

c. The device that is used to input graphic and printed text directly
into the computer.scanner

d. The device that is used in internet voice chatting. Microphone

4. State true or false: 0.5×4 =2

a. Battery gives the backup power to the laptop. True

b. To move the pointer on the screen we should move our finger
on the keyboard of laptop. False

Rising School Level Computer Science, Grade -4 49