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Operating System (OS)

Operating System (OS)
Which of the following is not a multitasking operating system ?

Windows
Win NT
Linux
DOS

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Operating System (OS)
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

Universality
None of these
Upward mobility
Upward compatibility
Upgradability

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Operating System (OS)
The following applications may appear on system tray except

MS office suite
Network connection
Volume control
System clock

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Operating System (OS)
Which of the following is not an advantage of multiprogramming?

increased throughput
None of these
ability to assign priorities to jobs
decreased operating-system overhead
shorter response time

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Operating System (OS)
A partitioned data set is most used for

storing backup information
None of these
a program or source library
storing ISAM files
storing program data

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Operating System (OS)
Which of the following memory unit that processor can access more rapidly

Read Only Memory
Main Memory
Virtual Memory
Cache memory

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