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Operating System (OS)

Operating System (OS)
Which file system DOS typically use ?

LMFS
FAT 32
NTFS
FAT 16

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Operating System (OS)
A file organization component of a VSAM file is:

None of these
entry sequential data set
keyed sequential data set
All of these
relative record data set

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Operating System (OS)
If you do not know which version of MS-DOS you are working with, which command will you use after having booted your operating system?

None of these
DISK command
VER command
FORMAT command
DIR command

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Operating System (OS)
Which of the following can be accesses by transfer vector approach of linking?

All of these
External data segments
Data located in other procedures
External subroutines
None of these

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Operating System (OS)
What is the function of an operating system ?

Takes care of scheduling jobs for execution
Manages the flow of data and instructions
All of the listed here
Manages compute's resources very efficiently

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Operating System (OS)
The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:

time sharing
FIFO
None of these
time out
time domain

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