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

Designing the instruction format, Q. Designing the instruction format is a ...

Q. Designing the instruction format is a complex art? Instruction Length Significance: It's the fundamental issue of the format design. It concludes the richness and flex

Medical diagnosis program, Diagnosis: Medical diagnosis program bases on p...

Diagnosis: Medical diagnosis program bases on probabilistic analysis have been able to perform at the level of an expert physician tin several areas of medicine. Heckerman(1981)

Can a .net web application consume java web service, Can a .NET web applica...

Can a .NET web application consume Java web service? Yes Offcourse.Actually Webservices are independent to language. It depends on WSDL and SOAP. so any single can develope t

Explain file transfer protocol, Explain File Transfer Protocol . FTP is ...

Explain File Transfer Protocol . FTP is utilized to exchange files among computer accounts, to transfer files among an account and a desktop computer (upload) or to access softw

Asynchronous and Synchronous types of serial communication, Differentiate b...

Differentiate between asynchronous and synchronous types of serial communication. Serial data communication uses two fundamental types, asynchronous andsynchronous. With synchr

Number system, Number systems Consider a decimal number: ...

Number systems Consider a decimal number: 7654.32 Short hand for: 7 * 103 + 6*102 + 5* 101 + 4*100 + 3*10 -1 + 2*10 -2 Likewise

Determine grade of service is given worse service or not, The larger the Gr...

The larger the Grade of Service, the worse is the service given, it is true or false. Ans: It is true that larger the Grade of Service, the worse service is provided.

Find the minimum sop and pos expression, Q. Find the minimum SOP and POS e...

Q. Find the minimum SOP and POS expression for the following functions using K- Map and realize the expression using appropriate gates. Also realize SOP form using NAND-to-NAND ga

I don''t know, Testing, Testing, Testing

Testing, Testing, Testing

Explain how presentation layer helps in establishing, Explain how presentat...

Explain how presentation layer helps in establishing and processing data in End to End layers. The idea of the presentation layer is to stand for information to the communicati

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages