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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.
Why should project managers complete hard problems first in an OOSAD project? Ans) The query really holds good in general for each situation in life. It is one of the prin
Q. Illustrate logical Data Processing Instructions? AND, OR, NOT, XOR operate on binary data stored in registers. For illustration if two registers comprises data: R1 = 10
What are the special features of Direct RDRAM? It is a two channel Rambus It has 18 data lines intended to transfer two bytes of data at a time There are no divide
Use the input capture to control the digital clock. In this part, there will be two switches to control the clock, one is for starting the clock and one is for stopping the clock.
Soundness - artificial intelligence: You may see in some application domains-for example automated theorem proving - that your search is "sound and complete". The soundness in
What is the difference between a constant and variable? Explain with example. A C constant is usually just the written version of a number. For example 1, 0, 5.73, 12.5e9. We
Q. Limitations of execution of instructions? 1. Size of memory shown in 16 words while instruction is capable of addressing 210 =1 K words of Memory. However why 210 since 10 b
Q. Process of World Wide Web? When you type a URL in a web browser, this is what happens: 1. If URL contains a domain name, browser first connects to a domain name server an
Convert hexadecimal BCH to decimal of form 0100 1000. Converting the hexadecimal BCH to decimal number firstly convert given number into two's compliment that is: 0100100
Normal 0 false false false EN-US X-NONE X-NONE
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