Page 105 - Computer - 9(A&B)

7. What is the role of the Control Unit in a computer system?

Executes arithmetic operations Controls the fl ow of data within the computer
Stores data permanently Connects external devices
8. Which type of printer uses a laser beam to produce output?
Dot Matrix printer Inkjet printer Thermal printer Laser printer
9. What is the purpose of Antivirus Utility Software?

Creating spreadsheets Cleaning up unnecessary fi les
Protecting against viruses Editing graphics
10. Which category of software includes Microsoft Word and Google Docs?

Operating System Utility Software
Application Software Development Software

B. Fill in the blanks.
1. The full form of ICT is_________________.
2. Operating system is the_________________ of computer system.
3. _________________ is also known as internal memory or main memory of the computer.

4. _________________ is needed in the computer to store information for a long period of time.
5. _________________ is a standard type of connection used to connect video devices such as monitors
and projectors.
6. Small pictures that represent a program, a fi le or a folder are called _________________.

7. _________________ helps to open some other part of a website.
8. _________________ is a facility that allows to make connections with friends, family, classmates and
clients.

C. Write ‘T’ for True and ’F’ for False for the statements.

1. Hardware and software are not dependent on each other.

2. Software refers to the set of instructions that help us to do different things.
3. The fi nal result or meaningful information is called output.

4. The storage devices help to control the functions of a computer.

5. Some digital camera can also record moving video with sound.
6. The Input Unit of the computer is responsible for holding input data and
intermediate results.

7. A computer works when both hardware and software work together.

8. It is very diffi cult to carry a pen drive because of its large size.

D. Very short answer type questions.
1. Name any three ICT tools.
2. What is hardware? Give two examples.
3. What is software? Give examples.
4. What is an operating system?

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