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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.
Explain Implementation of the Circuits From the Boolean Expression? If the operation of the circuit is defined by a Boolean expression, a logic-circuit diagram can he implement
Minimise the logic function F (A, B, C, D) = Π M (1, 2, 3, 8, 9, 10, 11,14) ⋅ d (7, 15) Use Karnaugh map. Ans. Given function F=∏M(1,2,3,8,9,10,11,14).d(7, 15) F'=B'D+B'C+AC+AB'
Overclocking is the process of making a computer or component operate faster than the clock frequency particular by the manufacturer by modifying system parameters. One of the most
Define static memories? Memories that consists of circuits capable of retaining their state as long as power is applied is known as static memories
How does computer started?
Important points of simulations In this simulation it is essential to consider: (1) What and how data is gathered (2) How simulation is done (3) How system would wo
Q. Example on PUBLIC DIVISOR? Linker appends all segments having the same name and PUBLIC directive with segment name into one segment. Their contents are pulled together in co
What are the two types of branch prediction techniques available? The two types of branch prediction methods are 1) Static branch prediction 2) Dynamic branch predicti
What is Redundant Array of Independent Disks? Researchers are constantly trying to improve secondary storage media by raising their, performance, capacity as well as reliabilit
What is major difference between the Historic Unix and the new BSD release of Unix System V in terms of Memory Management? Historic Unix uses Swapping - Whole process is tran
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