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

What are intelligent agents, Q. What are intelligent agents? What tasks wil...

Q. What are intelligent agents? What tasks will they perform? ANSWER: Intelligent agents are software that helps you, or operate on your behalf, in performing repetitive comput

Manipulating numbers, Computers manipulate numbers - but decimalnumbers wit...

Computers manipulate numbers - but decimalnumbers with digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 cannot be represented using two states of a digitalcircuit.Instead decimal numbers are co

Types of policies in e-commerce, 1- The Privacy Policy: The vendor must...

1- The Privacy Policy: The vendor must explain to the customer how all his information especially sensitive ones will be totally private, and no one can read them or use them i

Average waiting time, Customer arrivals at a gas station can be characteriz...

Customer arrivals at a gas station can be characterized by exponential distribution with mean of 10 minutes. The amount of time they take to pump gas can be characterized by an ex

What is skew, What is skew? Clock Skew: In circuit design, clock ske...

What is skew? Clock Skew: In circuit design, clock skew is a phenomenon within synchronous circuits wherein the clock signal (sent through the clock circuit) arrives at dive

Explain circular dependencies, Explain Circular Dependencies. Circul...

Explain Circular Dependencies. Circular Dependencies: To know the problem of circular dependencies consider a file server which uses a timeserver to acquire the current

What is the file-system security, What is the File-system security Most...

What is the File-system security Most commercial servers use a powerful operating system as base that provides good methods of file-system security. Some servers require additi

Java Programming, How to parse n size depth node in java and create output ...

How to parse n size depth node in java and create output in same tree format?

Interconnection networks, As in PRAM there was not any direct communication...

As in PRAM there was not any direct communication medium between processors so a different model called as interconnection networks have been considered. In the interconnection net

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd