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

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

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Operating System (OS)
Fork is

the dispatching of a task
increasing the priority of a task
None of these
the creation of a new process
the creation of a new job

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Operating System (OS)
The advantage of a command processor running only built-in commands is:

the command set being common across different hardware configurations
None of these
flexibility to the users in running lists of commands by simply collecting them in named batch command files
the processing is much faster than would other-wise be the case when user defined commands are used
users can create system programs and run them as commands

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