KPK TEXTBOOK BOARD COMPUTER SCIENCE CLASS 6th UNIT 1 TO UNIT 6 PDF DOWNLOAD.
UNIT 1 COMPUTER SCIENCE NOTES CLASS SIX
- Define ICT
Ans: Information and communication technologies (ICT) is defined as a diverse set of technological tools
and resources used to transmit, store, create, share, or exchange information.
2. Differentiate between data and information with examples.
Ans: Data is an individual unit that contains raw materials which do not carry any specific meaning. Information is a group of data that collectively carries a logical meaning. Examples are Timetable, Merit List, Report card, receipts, reports, etc.
3. Write down ICT applications in industries.
Ans: Some important applications of ICT include applications in communication, measurement, industry,
and business.
4. Compare system software and application software with examples.
Ans: Application Software helps the user to perform a specific task. For example, word processing
software and gaming software.
System Software controls and manages the computer hardware. It enables the application software to
run, for example, operating systems, device drivers, etc.
5. Differentiate between input and output devices.
Ans: Input devices are used to enter data and instructions into the computer. Some commonly used input
devices are keyboard, mouse, microphone, and scanner.
Output devices are used to show the results of data processing. Some commonly used output devices
are display screens, printers, and speakers.
6. Write functions of the following devices.
- a. Printer: The printer is used to get the hard copies of output like documents or photos, on paper, etc.
- b. Biometric device: Biometric is used for verifying the identity of a living person.
- c. Digital camera: Digital camera allows users to take photos or videos that can be stored on a computer.
- d. Smartphone: A smartphone is a cell phone that lets you do more than make phone calls and send
- text messages.
- e. Speaker: Speaker is used to listening to the audio or sound from computer video games, videos,s, etc.
- f. Router: A router is a network device that forwards data from one network to another and selects the best
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