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What is a Real-time system?
A Real-time system is used when inflexible time requirements have placed on the operation of processor or the flow of data so it is often used as a control device in dedicated application. The Real-time system has well-defined fixed time constraints. Processing ought to be done within the defined constraints or else the system will fail.
What is Multitasking? Multitasking provides power to users by offering them to run multiple applications at once. The applications are loaded into memory and appear to the user
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
Define thrashing. Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to program
What does the last four digits '0010' of the above dump represent? What action will the Destination node takes when it receives this packet? The last four digits '0010' denotes
Write a C program that illustrates the creation of child process using fork system call. One process finds sum of even series and other process finds sum of odd series.
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
Buddy system of memory allocation Free memory is used to maintain in linked lists, each of similar sized blocks. Every block is of size 2^k. When some memory is needed by a th
What are turnaround time and response time? Turnaround time is the interval among the submission of a job and its completion. Response time is the interval among submission
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
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