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Define System Call
A system call is a request that is made by any program to the operating system for carrying out tasks - picked from a predefined set - which the said program does not have needed authorizations to execute in its own flow of execution. System calls offer the interface among a process and the operating system. Several operations interacting with the system need permissions not available to a user level process, for example I/O performed with a device present on the system or any form of communication with other processes needs the use of system calls.
Question 1: a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor. b) What is the impo
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What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware
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Q. Regard as a logical address space of eight pages of 1024 words every mapped onto a physical memory of 32 frames. a. How several bits are there in the logical address? b. H
How the Nested Macro calls are expanded LIFO (Last in First out)
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
Explain hierarchy level directory
SCAN o Go from the outside to the inside servicing requests and after that back from the outside to the inside servicing requests. o Replicate this over and over. o Diminish
Q. Present an algorithm for reconstructing a logical ring after a process in the ring fails? Answer: Typically distributed systems utilize a coordinator process that performs
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