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Q. What do you understand by Scan Codes?
A scan code is a code produced by a microprocessor in keyboard when a key is pressed and is unique to key struck. When this code is received by computer it reports an interrupt and looks up scan code table in BIOS and realize which keys have been pressed and in what combination. Special memory locations known as status bytes tell the status of locking and toggle keys for example Caps lock etc. Every key press produces two different scan codes - one on key-push down known as Make code and another on its popping back known as Break code. This two-key scheme enables the computer to tell when a key is held pressed down for example ALT key when pressing another key say CTRL-ALT-DEL.
a. Determine any three restrictions that apply to class members. b. Is it possible for single class to be a friend of another class? Illustrate this using a suitable C++ program
The ISCII is an 8-bit code which contains standard ASCII values till 127 from 128-225 it contains characters necessary in ten Brahmi-based Indian scripts. It is defined in IS 13194
Q. Explain Micro-operations performed by CPU? The micro-operations performed by CPU can be categorized as: Micro-operations for data transfer from register-memory, re
Define Random scan/Raster scan displays? Random scan is a method in which the display is made by the electronic beam which is directed only to the points or part of the screen
What is disk controller The electronic circuit that controls the operation of the disk known as disk controller. word count The number of words in the block to be tran
Application layer (layer 4) in TCP/IP model corresponds to? In OSI model, application layer (layer 4) in TCP/IP model corresponds to layer 6 and layer 7.
Three firm capabilities that are critical for superior firm performance in e-commerce are:- 1. Information technology capability, 2. Strategic flexibility, and 3. Tr
Hello Sir/Mam, Actually i am trying to implement the concept of MAC layer protocols in NS2..... But unfortunately i am not able to do that.... and not even able to get the code fo
Question: (a) Identify the four main enhancements brought along by TKIP on WPA to solve the problems in WEP. (b) The term WarDriving has been frequently used while talking
SET 2I OF ALL INTEGERS WITH ZERO IS AN ABELIAN GROUP
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