Operating System (OS)
Which of the following capabilities is required for a system program to execute more than one program at a time?

compiling
None of these
word processing
virtual memory
multitasking

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

more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
many functions do not have to be implemented twice.
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.
None of these

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Operating System (OS)
Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because

they are memory resident
they are available on magnetic tapes
they are partly in primary memory and partly on disk
they are initially stored on disk
None of these

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