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Write a short note on file organization and access. There are three methods to access files 1Record Access 2Sequential Access 3Random Access The record access
What is turnaround time? Turnaround time is the interval from the time of submission to the time of completion of a process. It is the sum of the periods exhausted waiting to g
what is it all about? why do we need? what are the types of backup? how is it done in unix?
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
CONTROL PROGRAMS Control Programs are those programs which control & maintain the operation of computer. They provide basic facilities. Control program are further divided into
Explain hierarchy level directory
difference between process and thread
An operating system act as an intermediary between user of a computer and computer hardware. The objective of an operating system is to provide an environment in that a user can ex
Define drawback of Distributed systems Reliability is a drawback of Distributed systems
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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