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Q. What is the basic function of Assembler ?
Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prepare object program for execution. At one instance computer programmer had at his disposal a basic machine that interpreted through hardware certain fundamental instructions. He will program this computer by writing a sequence of ones and zeros(machine language) and place them into the memory of machine.
Explain about deadlock prevention? In order for the occurrence of deadlock, the four conditions like mutual exclusion, hold and wait, no pre-emption and circular wait must hap
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
Program of Calculator and Controller with the fork, exec, and wait system calls The objective of this assignment is to get you to be comfortable with the fork(), exec(), and wai
What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.
What is meant by arm-stickiness? If one or a few processes have a high access rate to data on single track of a storage disk, then they might be monopolizing the device by repe
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
Q. What is the major difficulty that a programmer should overcome in writing an operating system for a real-time environment? Answer: The major difficulty is keeping the oper
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
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
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