Chapter 19 - Information Technology - 3


1. Floppy get fixed on a rotating rod and can revolve through a




2. Hard disc is made up of




3. Word processing is used for



4. Which of the following reasons increases the importance of computer




5. What is fitted in a telephone receiver




6. Match the column..............................Soft and flexible disc is called




7. Match the column..............................Non flexible disc made up of aluminum is called




8. Match the column..............................Compact disc




9. Match the column..............................The machine which reads documents through telephone cables by electrical signs




10. Match the column..............................Machine which gets reflection of the documents, changes its into electronic signals and then transmit via telephone line




11. Match the column..............................The instrument which transmits sound




12. Match the column..............................The instrument which transmits both audio and video signals




13. Match the column..............................An instrument which controls the function of TV and other electronic machines without nay cable




14. Match the column..............................Processing of given data and gives accurate information




15. Match the column..............................Instrument which sends and receives the message in the form of radio waves







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