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Operating System (O.S)
An operating system is the complete set of programs written to utilize the computer resources in an optimal manner. The operating system supervises the sequencing and processing of programs, takes part in file management and helps to cut down the idle time of the CPU to a bare minimum. To execute a job successfully, the user needs a variety of assistance from the O.S. which can be specified in the following steps:
The motivation for the development of the Operating System is related to the basic difference in speed between computer systems and human operator. Operating System was designed basically to automate the computer operations.
Depending on the type of operating systems, various facilities like Batch Processing, Multiprograming, Time Sharing, Virtual Memory may be made available to a user.
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Assignment of computer science
QUESTION (a) Write a program to swap two names between two variables for examples: N1 = "Mary Anne" N2 = "Queen Mary". The program should make use of an appropriate Fu
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Keyboards, microphones, and mice have generally been used as the standard input devices for most computer systems. The popularity of video and computer games has led to the introdu
SWITCHING MECHANISMS: Switching mechanisms are techniques devised to send messages in many dinections at once and to ensure that these messages are received with a minimum of
THE THIRD GENERATION (1966-1975) The introduction of IBM-360 series of computers in 1965 marked the beginning of this generation. The transistors were replaced by solid
BUSES It can be seen from Figure 4 that there are three buses - the data bus, the address bus, and the control bus. Each bus consists of a group of parallel wires. The da
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