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In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Contiguous allocation: Every file will be allocated contiguous space in the memory. Allow the block size be 1K If a 50K files desires to be allocated space after t
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
Define Instance. An instance is an administrative unit in which components of R/3 systems giving one or more services are grouped together. The services offered by a case are
Define the Sleep (sec) Function Sleep function suspends execution of this process for sec number of seconds. While this function is used in our example for consistency, other f
___paging fecthces a page only when needed
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
Q. Explain about Operating System Services? An operating system offers services to programs and to users of those programs. It provided by one environment for execution of
Define a program in execution is known as A program in execution is known as a process
#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
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