Computer Science Studies (BIT)

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 (Important Questions) Long Questions 09-Sep-2013

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shaista



Posts : 49
Join date : 2012-11-09

PostSubject: (Important Questions) Long Questions 09-Sep-2013   Tue Sep 10, 2013 7:49 am

(Important Questions) Long Questions

1. What is meant by computer hardware? Briefly describe its units.
2. What is a scanner and how does it work?
3. What is daisy-wheel printer?
4. Explain why secondary memory is needed in a computer system?
5. How data is stored on/ retrieved form the Hard Disk?
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