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1 |
Write short note on: |
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a) |
Role of
computers in teaching and learning. |
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b) |
Digital
Computers. |
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c) |
Hard Disk. |
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d) |
Optical
Storage Devices. |
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2 |
a) |
Define volatile and Non volatile
memory. Explain with examples. |
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b) |
Discuss the role of buses in
communication of data and commands. |
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3 |
a) |
What is the importance of point and draw devices? Discuss
any two. |
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b) |
Discuss different key types in a keyboard. |
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4 |
a) |
Discuss the purpose of speech recognition devices. |
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b) |
How data is represented in computers? Discuss
the coding schemes used for this purpose. |
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5 |
a) |
Convert following decimal numbers to
binary numbers.
i) 458
ii) 923 iii)
1534 iv) 287 |
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b) |
Convert following binary numbers to
decimal numbers.
i) 111011000101
ii) 10001000111011 |
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c) |
Convert following binary numbers to hexadecimal numbers.
i) 11100101110010110
ii) 110001010011001 |