CBSE Class 3 Computer Software Worksheet

TOPIC – COMPUTER SOFTWARE

Answer The Following Questions In One Word :

Question. Raw facts entered into a computer system.

Answer : Input

Question. It is an interface between hardware and software

Answer : Operating system

Question. Name any two storage devices.

Answer : Pen drive,CD

Question. Name any one software that you have used.

Answer : MS Paint

Question. The visual auditory or textile perception comes after processing the raw facts.

Answer : Output

Question. The process of transforming input into useful information.

Answer : Processing

Write The Full Form Of The Following Abbreviations :

Question. ALU 
Answer : Arithmetic Logic Unit

Questionc. ATM 
Answer : Automated Teller Machine

Question. PD 
Answer : Pen Drive

Question. UPS 
Answer : Uninterrupted Power supply

Multiple Choice Questions :

Question. To calculate things you use the ______ program.
(a) Calculator
(b) WordPad

Answer : A

Question. Windows is an operating ______ .
(a) Mouse
(b) System

Answer : B

Question. The paint program is an example of ______ .
(a) Hardware
(b) Software

Answer : B

Question. Software is a set of ______ .
(a) Programs
(b) Soft toys

Answer : A

Q.1. Fill in the blanks

1. _________________________ is the most popular operating System that is being used today.

2. Windows 7 is the latest version of operating System developed by _________________________

3. The small pictures on the desktop are ___________________________

4. First stable screen that appears after switching on the computer is called the _____________________________

5. Long bar at the bottom of the desktop that contains the start button at the left corner is called the ________________________

6. The _______________________ menu, lists all the installed programs in the computer.

7. Small arrow that appears on the desktop is called _______________________

Q.2. Label the different parts of the given screen.

1-Fill in the blanks:-----

a- Arithmetic logical Unit performs mathematical calculations and comparisons in CPU.

b- Control Unit controls the data flow.

c- Memory unit is used for storage of data and information.

d- Software is a set of instructions given to the computer to do a particular work.

e- There are two types of software.
1- System software 2- Application software.

f- System software is a set of programs that controls the overall working of a computer.

g- Operaing system is a part of System software that makes a computer run.

h- Application software helps to do a specific type of work.

i- Any software cannot be touched or seen.

J- Input and Output devices are also known as computer peripherals

2-Unscramble the following words:----
a- CANERSN        SCANNER
b- RYMEMO          MEMORY
c- EBAMWC           WEBCAMERA
d- YSJTICKO          JOYSTICK
e- HONECROPMI   MICROPHONE
f- LGPITHEN           LIGHTPEN

*NEW WORDS:-
1- Hardware 2- Software 3- Physical 4- storage 5- scanner 6- devices
7- speakers 8- compact 9-intel 10- system 11- operating 12-Application

*DEFINE THE TERMS:-

1-HARDWARE:- The physical parts of a computer that we can touch and see are called hardware.

2-INPUT DEVICES:- Special types of hardware devices that are used to input words, numbers ,sound or picture into a computer, are called input devices.

3-OUTPUT DEVICES:-The devices which display the information and results are Called output devices.

4-STORAGE DEVICES:- The devices used for storing data are called storage devices.

5- OPERATING SYSTEM:- It is a part of System software that makes a compute run.

*ANSWER THE FOLLOWING QUESTIONS:-

Question. Define the term software. Name its types.
Answer: Software is that part of computer which cannot be seen and touched .It is of Two types -----1-Application 2- System software.

Question. What is a storage device? Give any one example.
Answer: The device used for storing data are called storage device .For eg.- CD, Hard disk.

Question. What do we call the hardware devices that are used to enter words, numbers or pictures?
Answer: The hardware device that are used to enter words ,numbers or pictures are Called as input device.

Question. Which application software is used for typing and making corrections in the text?
Answer: Word pad is used for typing and making corrections in the text.

Question. Name the program used for performing calculations.
Answer: Calculator is a program used for performing calculations.

Question. Write two basic parts of a computer system.
Answer: Two basic parts of a computer system are:-1-Hardware 2- Software

Question. In how many parts hardware of computer is classified?
Answer: Hardware of a computer is classified into three parts:-
Input ,Output and storage devices.

Question. Name some Input devices.
Answer: Trackball , Scanner , Web camera , Microphone ,Light Pen ,Joystic

Question. Name some output devices.
Answer: Monitor , Printer , Speaker.

Question. Name some storage devices.
Answer: Compact Disk ,Hard Disk , Pen Drive.

Question. Define System software.
Answer: System software is a set of programs that controls the overall working of a Computer.

Question. Define Application software.
Answer: The software that is designed to do a specific type of work is called Application software.