Basic functions of an operating system
Describe the basic functions of an operating system?
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Operating system controls and coordinates the utilization of the hardware among the several applications programs for several uses. Operating system behaves as resource allocator and manager. Since there are several possibly conflicting requests for resources the operating system have to decide which requests are allocated resources to operating the computer system efficiently and fairly. Also operating system is control program that controls the user programs to stop errors and improper utilization of the computer. It is especially concerned to the operation and control of I/O devices.
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Advantages of Layered Model: The prime advantage associated with layered model of data communication is that it is more structured with entire architecture divided into layer. Replacement is also v
What are the Approximation with available language and pre-processor features?
Write an AWK program which takes the following input _le and processes it. $cat data.txt John Do 111-1111 English 90 Maths 80 Alice Do 222-2222 English 90 Maths 90 Chemistry 93 The input _le has _rst 3 _elds _xed as _rst name, last name, and student id. After the s
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