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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.
Object oriented programming languages directly show the real life objects. The features of OOPL as inheritance, polymorphism, and encapsulation makes it strong.
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Syntax and Semantics: Propositional logic is prohibited in its expressiveness: so just to represent true and false facts for the world. By a type of extending propositional lo
Give some technical specification for subscriber lines. Subscriber pairs and exchange pairs are interconnected at the MDF through jumpers. The MDF therefore gives a flexible in
What are the factors determine the control signals? Contents of the control step counter Contents of the instruction register Contents of the condition code flag
A device that forwards data packet from one network to another is known as a Switch device.
Q. Describe Message Passing Model? In message-passing model there be a set of tasks which employ their own local memories at the time of computation. Many tasks may inhabit on
Based on your understanding of Unit 2, compile a set of five usability and/or user experience goals which you think will be useful in evaluating the two sites when gathering the in
Find out the two inputs when the NAND gate output will be low. Ans. The output of NAND gate will be low if the two inputs are 11. The Truth Table of NAND gate is shown
Difference between blocking and non-blocking Verilog language has two forms of the procedural assignment statement: blocking and nonblocking. The two are distinguis
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