q what is the use of system callsanswer system
Q. What is the use of system calls?
Answer: System calls permit user-level processes to request services of the operating system.
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q some untimely computers protected the operating system by placing it in a memory partition that couldnt be modified by either the user job or the
q several cpus provide for more than two modes of operation what are two probable uses of these multiple modesanswer although most systems merely
q timers could be utilized to compute the current time provide a little description of how this could be accomplished answer a program could utilize
q is the internet a lan or else a wananswer the internet is a wan as the a variety of computers are located at geographically different places and
q what is the use of system callsanswer system calls permit user-level processes to request services of the operating
what is the role of mar and mdr the mar memory address register is used to hold the address of the location to or from which data are to be
q what are the five main activities of an operating system in regard to process managementanswera the creation as well as deletion of both user and
what are the various types of operations required for instructions data transfers among the main memory and the cpu registers arithmetic and
what is the role of ir and pc instruction register ir having the instruction being implemented its output is available to the control circuits
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