Operating System (OS)
Which, of the following checks, cannot be carried out on the input data to a system?

All of these
Syntax check
consistency check
Range check
None of these

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Operating System (OS)
The Storage-to-Storage instructions

None of these
which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also
All of these
which perform indicated operations on two fast registers of the machine and have the result in one of the registers
have both their operands in the main store.

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Operating System (OS)
The dispatcher

never changes task priorities
is always small and simple
actually schedules the tasks into the processor
None of these
puts tasks in I/O wait

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