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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.
Home Shopping TV broadcast of goods for purchase, sent directly to a viewer . This online shopping is available because of e-commerce.
The VLSI technology is still developing. More and more powerful microprocessors and more storage space now are being put in single chip. One question that we have still not conside
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The addressing specially used by Transport Layer is? The addressing particularly used through transport layer is application port address.
Q. Show the properties of Frame Tag? This tag is used for placing an HTML file in the frame created. We should now tell browser what to put in every frame.
WML & WML Script 1. How to call a WML Script from a WML Page? 2. Write a brief note on WML Script Operators and Expressions. 3. Write brief notes on WML Script Statements
a. Define operating system? State the important features of operating system? b. Describe the following facilities for implementing interacting processes in programming language
Q. why we need Web Browser? A Web browser is software program which allows you to easily display Web pages and navigate the Web. The first graphical browser, Mosaic, was develo
What is a work process? A work process is where individual dialog steps are in fact processed and the work is done. Every work process ocuurs one type of request.
Q. Show the process of message passing? The subsequent issues are determined by system in process of message passing: 1) Whether receiver is prepared to receive message
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