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Operating System (OS)

Operating System (OS)
In Microsoft windows, the graphical pattern on the desktop used as background for windows is

Background
Icons
Wall paper
Picture

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Operating System (OS)
...... transforms one interface into other interface

Software
Data
Program
None

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Operating System (OS)
A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

multitasking
multiprogramming
None of these
mutual exclusion
semaphore

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

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

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Operating System (OS)
Which of the following is an example of a real time operating system?

Process Control
Lynx
MS DOS
Windows XP

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Operating System (OS)
Multi programming systems ......

Execute each job faster
Are used only by large mainframe computer
Execute more jobs in the same time period
Are easier to develop than single programming system

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