What is input - output commands, Computer Engineering

Assignment Help:

Q. What is Input - Output commands?

There are four kinds of I/O commands which an I/O interface can receive when it's addressed by a processor:

Control: This type of commands is device specific and is used to give specific instructions to device for example a magnetic tape requiring rewinding and moving forward by a block.
Test: This command checks status like if a device is ready or not or is in error condition.
Read: This command is helpful for input of data from input device.
Write: this command is employed for output of data to output device.

Related Discussions:- What is input - output commands

Describe arp message format in brief, Describe ARP message format in brief....

Describe ARP message format in brief. 0 8 16

Object orientation and uml, In this task you are supposed to create three U...

In this task you are supposed to create three UML diagrams. The conditions are given by the scenario in the document Theatre Case (on Blackboard). A theatre manager has ordered a s

Paging, Hardware Support for paging

Hardware Support for paging

Integrating virtual memory, Integrating Virtual Memory, TLBs, and Caches - ...

Integrating Virtual Memory, TLBs, and Caches - computer architecture: There are 3 types of misses: 1. a cache miss 2. TLB miss 3. a page fault 2 techniqu

Fact finding techniques on banking system, what are the questionnaries and ...

what are the questionnaries and observation of work site for banking system?

Operating sustem, describe the action by thread library to context switch ...

describe the action by thread library to context switch between user level threads

Determine the objectives of object oriented analysis, Objectives of object ...

Objectives of object oriented analysis After going through this unit, you should be able to: define the concepts of the objects in the system; express desired syste

Give an example of first fit and best fit algorithms, Given memory partiti...

Given memory partitions of 100k, 500k, 200k, 300k, and 600k (in order), apply first fit and best fit algorithms to place processes with the space requirement of 212k, 417k, 112k an

Economic argument for good design, One way of demonstrating the importance ...

One way of demonstrating the importance of good ID is by showing tangible benefits that can be talked about in cash terms. Within a business, good ID can lead to benefits such as h

Elements of composition - line, Line A Line is, on a simple level, a ma...

Line A Line is, on a simple level, a mark connecting 2 points. However, how lines are used in an image is extremely important. By varying the quality of line used in an image,

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages