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

Set up the minunit test framework - mortgage code, Set up the minunit test ...

Set up the minunit test framework examples in your environment (i.e. build or compile the code). Once you can run the example, use the minunit test framework to create and run a bo

Should validation occur server- side or client - side, Should validation (d...

Should validation (did the user enter a real date) occur server-side or client-side? Why? Validation will be completed in both sides i.e., at the server side and client side. S

Explain the life cycle of a process, Explain the life cycle of a process ...

Explain the life cycle of a process Each procedure has a life cycle, which consists of execution, creation and termination phases of the procedure. A method may create severa

Describe the necessary conditions for deadlock, Describe the necessary cond...

Describe the necessary conditions for Deadlock. Required conditions for deadlock 1. Mutual exclusion 2. Hold and wait 3. No preemption 4. Circular wait Mutual e

Common problem with hill climbing, Common problem with Hill climbing: ...

Common problem with Hill climbing: An alternative way of justifying the problem is that the states are boards with 8 queens already on them, so an action is a movement of one

Describe about the protection features present in ms access, If a programme...

If a programmer doesn't wish to make modifies to the document he can lock the document data and its code from more changes by changing the extension of the file system to .MDE. Cha

What is a microinstruction, What is a microinstruction? Each word in co...

What is a microinstruction? Each word in control memory having within it a microinstruction. The microinstruction specifies one or more micro-operations for the system. A seq

State the important features of operating system, a. Define operating syste...

a. Define operating system? State the important features of operating system? b. Describe the following facilities for implementing interacting processes in programming language

What is gimps native graphics file format, XCF is GIMP's "native" format. T...

XCF is GIMP's "native" format. This will preserve all information about an image, having the layers.

Cache memories - computer architecture, Cache Memories - computer architect...

Cache Memories - computer architecture: Speed of the primary memory is very low in comparison with the speed of processor For well performance, the processor can't spend

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages