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
None of these
they are initially stored on disk
they are partly in primary memory and partly on disk

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Operating System (OS)
Which of the following statements is not true about the FORTRAN language?

None of these
A FORTRAN program, written for the IBM-PC, is totally different from a FORTRAN program written for execution on the SUN machine
FORTRAN is extensively used to write programs for performing scientific computations
FORTRAN is a high level language
All of these

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Operating System (OS)
Under virtual storage,

only the active pages of a program are stored in primary storage
two or more programs are stored concurrently in primary storage
a single program is processed by two or more CPUs
None of these
interprogram interference may occur

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