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 is arrays pointers, Q. What is Arrays Pointers? An array is a coll...

Q. What is Arrays Pointers? An array is a collection of similar type of data. Arrays are extremely popular data structures in parallel programming because of their easiness of

How physical addressing is performed in wan, How physical addressing is per...

How physical addressing is performed in WAN? WAN networks operate as similar to a LAN. All WAN technology describes the specific frame format a computer uses while sending an

Sap system, failed logins to end

failed logins to end

Flat, nfa significance

nfa significance

Differences between asp and asp .net, What are the differences between ASP ...

What are the differences between ASP and ASP .Net ? 1. ASP: Code is Interpreted ASP.NET: Code is Compiled 2. ASP: Business Logic and Presentation Logic are in a one

Explain token ring, Explain Token Ring. Token Ring: A token ring is ...

Explain Token Ring. Token Ring: A token ring is a collection of single point -to-point links, which arise from a circle. In a token ring a special bi t pattern, termed as th

Explain segment registers in bus interface unit, Q. Explain Segment Registe...

Q. Explain Segment Registers in bus interface unit? These are very significant registers of CPU. Why? We will answer this later. In 8086 microprocessor memory is a byte organiz

Explain the real time system, What is real time system? A real time sys...

What is real time system? A real time system has well explained, fixed time constraints. Processing must be done within the explained constraints, or the system will fail. It i

Secret-key encryption, Secret-key encryption is also called as Private ...

Secret-key encryption is also called as Private encryption.

Flowchart for stack program using c, .flowchart for stack program using c

.flowchart for stack program using c

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages