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

Connection machine fortran, Q. Connection Machine FORTRAN? Connection M...

Q. Connection Machine FORTRAN? Connection Machine Fortran was a subsequent SIMD language developed by Thinking Machines Corporation. Connection Machine Fortran incorporated all

Problem context and specification, Problem Context and Specification : ...

Problem Context and Specification : However the development of Inductive Logic Programming has been heavily formal in mathematical in nature it means the major people in the f

What is the purpose of linq providers in linq, LINQ Providers are a set of ...

LINQ Providers are a set of classes that takes a LINQ query and dynamically produces a method that implements an equivalent query against an exact data source.

Authentication verses firewall, How does an authentication system be differ...

How does an authentication system be different from a firewall into functioning? Authentication verses firewall User Authentication and Authorization A significan

Dfd, Give a 5-minute presentation on your team''s solution

Give a 5-minute presentation on your team''s solution

What is tri-state logic, What is Tri-state logic ? Ans. Tri-state Logi...

What is Tri-state logic ? Ans. Tri-state Logic: In common logic circuits, there are two states of the output, as LOW and HIGH. If the output is not in the LOW state, this

Control unit (cu)-array processing, Control Unit (CU) : Every PEs are unde...

Control Unit (CU) : Every PEs are under the control of one control unit. CU controls the inter communication among the PEs. There is a local memory of CU also known as CY memory.

cell array to a spreadsheet, The xlswrite function can write the contents ...

The xlswrite function can write the contents of a cell array to a spreadsheet. A manufacturer kepts information on the weights of some parts in a cell array. Every row stores the

Determine the term- files, Determine the term- Files File maintenance i...

Determine the term- Files File maintenance is significant. Updating of files generally involves inserting, amending and deleting data. Example: A bank would amend data

Register transfer micro-operations, Register Transfer Micro-operations ...

Register Transfer Micro-operations These micro-operations as the name proposes transfer information from one register to another. The information doesn't change during these mi

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages