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Operating System (OS)

Operating System (OS)
Which of the following is a program group?

Paint brush
Word pad
None of these
Accessories

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Operating System (OS)
You can switch from one program to another by clicking within the desired program's icon from the

None of above
Application icon on desktop
Folder
Application icon from taskbar

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Operating System (OS)
Which of the following is not true about the memory management?

segmented memory can be paged
segmentation suffers from external fragmentation
None of these
paging suffers from internal fragmentation
virtual memory is used only in multi-user systems

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Operating System (OS)
The core of operating system is:

None of these
Kernel
Unix
Command.com

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Operating System (OS)
The total time to prepare a disk drive mechanism for a block of data to be read from it is

None of these
latency
latency plus seek time
latency plus transmission time
latency plus seek time plus transmission time

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Operating System (OS)
In which way(s) a macro processor for assembly language can be implemented:

independent two-pass processor
None of these
processor incorporated into pass 1 of a standard two-pass assembler
independent one-pass processor
All of these

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