Operating System (OS)
Multiprogramming systems:

execute more jobs in the same time period
are used only on large mainframe computers
execute each job faster
None of these
are easier to develop than single programming system

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Operating System (OS)
A relocate program form is one which

cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
All of these
can itself performs the relocation of its address-sensitive portions.
None of these
consists of a program and relevant information for its relocation.

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

None of these
flexibility to the users in running lists of commands by simply collecting them in named batch command files
the command set being common across different hardware configurations
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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