Define input - output operations, Operating System

Q. Define Input - Output operations?

Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and the operation to perform on it while the system converts that request into device- or controller-specific commands. User-level programs can't be trusted to access merely devices they should have access to and to access them only when they are otherwise unused.

Posted Date: 7/27/2013 2:22:12 AM | Location : United States







Related Discussions:- Define input - output operations, Assignment Help, Ask Question on Define input - output operations, Get Answer, Expert's Help, Define input - output operations Discussions

Write discussion on Define input - output operations
Your posts are moderated
Related Questions
Discuss the risks of having a single root user

Explian Integrating a Request/Response Mechanism Traditional application developers will need to develop a mechanism for communication between requesting (client) and respondin

What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name explain a pa


What are the two principles in Hungarian method?

What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The

What is internal fragmentation? Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The over

Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email

. Nested Macro calls are expanded using the

what is instant messaging used for