Computer Basic Information
The MS-DOS operating system is a .....

graphical user interface, multi-tasking operating system
command-driven interface, single-tasking operating system
None of these
command-driven interface, multi-tasking operating system
graphical user interface, single-tasking operating system

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Computer Basic Information
In the third generation of computers:

All of these
an operating system was first developed
distributed data processing first became popular
high-level procedural languages were first used
on-line, realtime systems first became popular

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