Operating System (OS)
The purpose of run command in start menu is to

Start programs
Open windows explorer
Launch internet browser
Open internet explorer

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Operating System (OS)
File record length

Should always be variable
None of these
should be chosen to match the data characteristics
depends upon the size of the file
should always be fixed

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Operating System (OS)
A Processor

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

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Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
All of these
None of these
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
it is necessary to retranslate the user's program deck every time it is run.

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