CBSE Class 3 Computers Assignment Set A

Q1.Do as directed:

a. Insert an arrow of your choice from the Block Arrows submenu in Auto shapes.

b. Apply a 3-D effect of your choice to the arrow.

c. Now, apply the following effects to the 3-D object as given below:

i. Tilt up

ii. Tilt right

iii. Increase depth

iv. Change colour

1. Apply bullets or numbers for other calculating devices.

2. Apply green as background for the table and text colour as red.

Q3. Fill in the blanks: (Basics of Computer):

i. VDU stands for ………………………………

ii. ………………………. Is a pointing device used for playing games.

iii. A …………………… is used to play sound and music in computer.

iv. A ………………….. is used to input voice in computer.

v. A …………….. is used to input voice in computer.

A. Check the Right Answer

Question. Name the device that lets you type information into the computer.
a. Mouse
b. CPU
c. Keyboard
d. Monitor
Answer: Keyboard

Question. How many buttons are there on a mouse?
a. 1
b. 2
c. 4
d. 5
Answer: 2

Question. Which device processes the information that we feed into a computer?
a. Monitor
b. Hard Disk
c. CPU
d. Keyboard
Answer:  CPU

Question. Name the term used for entering data and instructions in a computer.
a. Inout
b. Input
c. Output
d. Processing
Answer: Input

Question. What are the main functions of a computer?
a. IOP
b. OPI
c. IPO
d. All of these
Answer: IPO

B. Fill in the blanks :

Question. A computer never gets ……………
Answer: TIRED

Question. A computer in a shop is used for keeping ………… of all items.
Answer: RECORDS

Question. ………… monitor consumes less power.
Answer:  LCD

Question. Computers are used in Railways for ……………………
Answer: TICKET RESERVATION

Question. A computer is a ……….... that works with data and instructions.
Answer: MACHINE

C. State True (T) or False ( F)

Question. We cannot draw pictures on a computer.
Answer:  FALSE

Question. Man can work for long hours without getting tired.
Answer:  FALSE

Question. Computers are used in schools for online reservation and ticket printing.
Answer:  FALSE

Question. Computers cannot be used in banks for keeping records of money.
Answer:  FALSE

Question. We cannot play music on a computer.
Answer:  FALSE

1-Write full form of :----
a- LED b- IQ c- MU d- HD e- CD

2-Fill in the blanks:-----

a- Devices that are used to input data and instructions into the computer are known as__________________.

b- A printer is used to _________ any document or picture on a sheet of Paper.

c- The physical components or parts of a computer that you can see or Touch / feel are known as _____________.

d- A set of instructions given to a computer is called __________.

e- The ______________ manages the overall working of a computer.

3- Unscramble the given words:----
a- AERTFSOW c- OMERYM
b- TIANP d- LTORNCO

4-Who am I:-----
a- I am a part of the system that makes a computer run.
b- I am a device that is used for playing games.
c- I am a part of a computer that cannot be touched and seen.
d- I give output on paper.

5- Write true or false:--
a- A computer has four main parts.
b- A computer has two basic parts.
c- A scanner is an output device.