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Question 1 Discuss the following with respect to Operating Systems:
Question 2 Describe the theory behind Paging and Segmentation in Operating Systems.
Question 3 Describe the theory behind Space Management in File systems.
Question 4 Discuss the following concepts with reference to Unix Operating System:
Question 5 Discuss the concept of File substitution with respect to managing data files in UNIX.
Question 6 Discuss the following:
How can deadlocks be represented? Deadlocks are able to be described in terms of a directed graph called as a system resource-allocation graph. This graph contains of the foll
Define I/O and CPU Bursts Applications typically to through cycle of CPU bursts and Input/output bursts. Since the CPU sits idle during I/O operations, efficiency is improved
LRU page replacement In slightest recently used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
explain simple segmentation
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
List sample file types, based on use, on the VAX under VMS. source programs (.BAS, .FOR, .COB, .PLI, .PAS, .MAR) data files (.DAT) text files (.TXT) command proced
#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
Q. Provide two programming instances in which multithreading provides better performance than a single-threaded solution. Answer: (1) A Web server that services every request
Android operating system is an open source, Linux-based Smartphone OS. It is the world's most popular mobile platform with more than 700,000 applications and 25 billion downlo
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