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2.  What are device drivers?

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                     3.  What is file explorer?
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                     4.  List any two characteristics of a computer.
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                     5.  Define byte and arrange the following memory units in ascending order according to
                        their size: GB, KB, TB, MB

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                 B.  Long answer type questions.

                     1.  Differentiate between hardware and software. Give suitable examples for the same.
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                     2.  What do you mean by an operating system? Name few examples of OS.

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                     3.  Explain the parts of CPU.
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                     4.  Write about any three types of shut down options.

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