operating system over view, Operating System

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explain function of computer operating system?

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Scheduler that select process from secondary storage device, A scheduler th...

A scheduler that selects processes from secondary storage device is known as                    Medium term scheduler is a scheduler that selects processes from secondary stor

Write a short note on file organization and access, Write a short note on f...

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

Removing system dependencies, Removing System Dependencies Because port...

Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the

Is disk scheduling useful in a single-user environment, Is disk scheduling,...

Is disk scheduling, other than FCFS scheduling, useful in a single-user environment? Explain your answer. In a single-user environment, the I/O queue usually is blank. Requests

Explain internal file structure, Internal file structure All disk I/O i...

Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match

Define thrashing, Define thrashing. Thrashing is the accident of high p...

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 are the different thread levels?, What are the different thread levels...

What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.

Define unix device driver, Define UNIX device driver The UNIX device dr...

Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half

Explain short term scheduling, Short term scheduling The short term sch...

Short term scheduling The short term scheduler as well known as the dispatcher executes most frequently and makes the fine grained decision of which process to execute next. Th

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