Operating System (OS)
The virtual memory is

An extremely large secondary memory
An extremely large main memory
A type of memory used in super computer
An illusion of extremely large main memory

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Operating System (OS)
A public key encryption system

None of these
allows only the correct sender to decode the data
allows anyone to decode the transmission
allows only the correct receiver to decode the data
does not encode the data before transmitting it

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Operating System (OS)
Indicate which, of the following, in not true about an interpreter

None of these
Interpreter generates an object program from the source program
Interpreter is a kind of translator
Interpreter analyses each source statement every time it is to be executed
All of these

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