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

Define seek time and latency time, Define seek time and latency time. ...

Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wai

Define protocol, Define Protocol. It is a set of rules that are followe...

Define Protocol. It is a set of rules that are followed by interconnecting computers and terminals to make sure the orderly transfer of information

C program, #how to write c program for all types of beam reactions

#how to write c program for all types of beam reactions

Explain about merge sort circuit, Q. Explain about Merge sort circuit? ...

Q. Explain about Merge sort circuit? First split the given sequence of n numbers in two parts every part comprising of n/2 numbers. Afterwards recursively divide the sequence i

Determine waiting and average waiting time of CPU, CPU burst time indicates...

CPU burst time indicates the time, the process needs the CPU. The following are the set of processes with their respective CPU burst time (in milliseconds). Process

Convert the decimal number 82.67 into hexadecimal , Conversion of the decim...

Conversion of the decimal number 82.67 into Hexadecimal ? Ans. (1010010.10101011) 2 is the binary equivalent of decimal number 82.67. Now convert each 4-bit binary into an equ

Computer graphics, gks

gks

Explain the use of wire-center have any influence, Does the use of wire-cen...

Does the use of wire-center have any influence on the performance of a token ring? Explain. One problem along with a ring network is as if the cable breaks somewhere, the ring

What is a matchcode, What is a matchcode? A match code is an aid to fin...

What is a matchcode? A match code is an aid to finding records keeps in the system whenever an object key is needed in an input field but the user only knows other (non-key) in

What are dynamic process groups, Q. What are Dynamic Process Groups? To...

Q. What are Dynamic Process Groups? To create and manage dynamic groups a separate library libgpvm3.a should be linked with the user programs which make use of any of group fun

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages