Operating System (OS)
A program

is typically characterized by interactive processing and time of the CPU
is a device that performs a sequence of operations specified by instructions in memory.
None of these
is the device where information is stored
is a sequence of instructions

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Operating System (OS)
Backups should be done

None of these
weekly for most installations
as several image copies, followed by an incremental
daily for most installations
as several incrementals, followed by an image copy

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

consists of a program and relevant information for its relocation.
can itself performs the relocation of its address-sensitive portions.
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.
None of these
All of these

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Operating System (OS)
The instruction register

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
is a hardware memory device which denotes the location of the current instruction being executed.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
contains the address of the memory location that is to be read from or stored into.
None of these

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