Operating System (OS)
In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.

absolute mode
modulus mode
None of these
index mode
immediate mode

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Operating System (OS)
Virtual Memory

consists of those addresses that may be generated by a processor during execution of a computation.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
allows multiple programs to reside in separate areas of core at the time.
is a method of allocating processor time.
None of these

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Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

None of these
decides correct alternative by analysing several ones
detects/corrects errors
multiplexes the inputs and updates the memory accordingly
inquires to see if a terminal has any transaction to send

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Operating System (OS)
Thrashing can be avoided if

None of these
the speed of CPU is increased
All of these
the pages, belonging to the working set of the programs, are in main memory
the speed of I/O processor is increased

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