Standards for scan codes, Computer Engineering

Assignment Help:

Q. Standards for scan codes ?

There are 3 standards for scan codes: Mode1 (83-key keyboard PC, PC-XT) and Mode2 (84-key AT keyboard) and Mode3 (101-key keyboard onwards). In Mode1 Make and Break codes are single bytes however different for same key. In Mode2 and Mode3 Make code is a single byte though Break code is two bytes (byte F0(Hex) + the make code).


Related Discussions:- Standards for scan codes

Data packet from one network to another, A device that forwards data packet...

A device that forwards data packet from one network to another is known as a  Switch device.

What is a decoder, What is a Decoder ? Ans. Decoder: - This dec...

What is a Decoder ? Ans. Decoder: - This decodes the information. The decoders contain n inputs 7 at the end maximum 2 n outputs since n bit no can decode max 2n infor

Kirchoff''s voltage law , Kirc hoff's Voltage Law   The sum ...

Kirc hoff's Voltage Law   The sum of all the voltage drops around a closed circuit loop will add to zero  V1+(-V2)+(-V3)+(-V4)= 0

Explain transport layer of osi model, Explain Transport Layer of OSI Mode...

Explain Transport Layer of OSI Model. The transport layer utilizes the services provided through the network layer, as best path selection and logical addressing, to give end

Id3 algorithm, ID3 algorithm: Further for the calculation for informat...

ID3 algorithm: Further for the calculation for information gain is the most difficult part of this algorithm. Hence ID3 performs a search whereby the search states are decisio

Explain working neural network work, Q. Explain working neural network work...

Q. Explain working neural network work? ANSWER: A neural network has an input layer with the factors under consideration, a middle or hidden layer that assigns and adjusts weig

Canonical genetic algorithm - artificial intelligence, Canonical Genetic Al...

Canonical Genetic Algorithm: In such a scenario with all search techniques there one of the first questions to ask along with GAs is how to define a search space that is actua

What is a service in sap terminology, What is a Service in SAP terminology?...

What is a Service in SAP terminology? A service refers to something offered by an s/w component.

Explain erasable programmable rom (eprom) - computer memory, Explain Erasab...

Explain Erasable Programmable ROM (EPROM) - Computer Memory? An EPROM is a ROM that can be reprogrammed and erased. A little glass window is installed at the top of the ROM pac

Find a connection factory, Why do I get an exception when trying to find a ...

Why do I get an exception when trying to find a connection factory? Ans) The exception is regularly something like java.io.InvalidClassException or java.lang.NoClassDefFoundErro

Write Your Message!

Captcha
Free Assignment Quote

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd