Computer Basic Information
An essential difference between the operating system that runs a typical desktop computer and the operating system that runs a typical PDA is that .......

the desktop OS can run several programs simultaneously whereas the PDA OS cannot.
the desktop OS manages hardware resources whereas the PDA OS does not.
None of these
the desktop OS has a graphical user interface whereas the PDA OS does not.
the desktop computer has an OS whereas a PDA does not.

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Computer Basic Information
Which of the following will happen when data is entered into a memory location?

It will change the address of the memory location
It will not be fruitful if thjere is already some data at that location
None of these
It will erase the previous content
It will add to the content of the location

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Computer Basic Information
An AND gate

None of these
is an any-or all gate
is equivalent to a series switching circuit
implements logic addition
is equivalent to a parallel switching circuit

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