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Operating System (OS)

Operating System (OS)
A user-interface that is easy to use is considered to be

User-simple
User-friendly
None of these
User-happy

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Operating System (OS)
Which of the following is characteristic of an operating system?

None of these
All listed here
error recovery
resource management
memory management

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Operating System (OS)
The working set theory of programming behaviour of processes running within an operating system involves

disk scheduling mechanisms
coalescing holes in memory
the collection of pages that a process accesses
None of these
assigning the CPU to processes

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

None of these
Paint brush
Word pad
Accessories

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Operating System (OS)
The problem with .... file is that they slow your computer's operation

All of above
Fragmented
Program
Formatted

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Operating System (OS)
Which key deletes text before, or to the left, of the insertion point?

PageUp
PageDown
BackSpace
Delete

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