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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.
what are the Database designs to avoid?
Q. What are the basic components of an expert system? ANSWER: There are three components of components: Information, people, and IT components. Information kinds are domain exp
how to implement a modified distribution method using c/c++
Task Gantt Task Gantt shows different tasks being performed it implies that numerous kind of activities by set of processors connected to parallel computer as displayed in Fi
Define the difference between static RAM and dynamic RAM? The RAM family comprises two important memory devices that are static RAM (SRAM) and dynamic RAM (DRAM). The main diff
Convert the decimal number 430 to Excess-3 code ? Ans. Excess 3 is a digital code acquired from adding 3 to every decimal digit and after that converting the res
What do you mean by memory mapped I/O? In Memory mapped I/O, there is no particular input or output instructions. The CPU can manipulate I/O data residing in interface register
Simplify the Boolean expression F = C(B + C)(A + B + C). Ans. Simplification of the given Boolean Expression F = C (B +C) (A+B+C) given as F = C (B+C) (A+B+C) = CB + CC [(A+B+C
Stack Organization The CPU of the most computers comprises of stack or called as last-in-first-out (LIFO) list in which information is stored in such a manner that item stored
Based on the variables, construct a design that haves only main effects of one categorical IV and at least 2 continuous DVs. Discuss what you think the relationship is among the de
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