Operating System (OS)
File record length

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

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Operating System (OS)
A public key encryption system

allows only the correct receiver to decode the data
allows anyone to decode the transmission
None of these
allows only the correct sender to decode the data
does not encode the data before transmitting it

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

many functions do not have to be implemented twice.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
None of these
All of these
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.

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Operating System (OS)
Which of the following refers to the associative memory?

None of these
the data are accessed sequentially
the address of the data is supplied by the users
the address of the data is generated by the CPU
there is no need for an address i.e. the data is used as an address

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