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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.
Q. Illustrate does gas have density? Answer:- Gas in addition to everything in the universe has density though some densities are not either too high or too low to be dete
The success of a system relies on the approach of building it. If development approach is right then system will work successfully. Figure below portrays a System Development Life
Multithreaded Architecture: It is clear now that if we give many contexts to multiple threads, then processors with multiple contexts are known as multithreaded systems. These sys
What is arithmetic pipeline? Pipeline arithmetic units are usually found in very high speed computers. They are used to execute floating point operations, multiplication of fi
Q. Show the Transmission Control Protocol? Transmission Control Protocol (TCP) TCP makes Internet reliable. TCP solves many problems which can occur in a packet switching
Q. Explain Error Detection and Correction Codes? Before we wind up data representation in reference of today's computers one should determine about code that helps in correctio
How to attain 180 degree precise phase shift? Never tell using inverter: a. DCM an inbuilt resource into most of FPGA can be arranged to get 180 degree phase shift. b. BU
Minimize the following logic function using K-maps and realize using NAND and NOR gates. F(A,B,C,D) =?_m(1,3,5,8,9,11,15) + d(2,13).
Describe the term- System analyst Design Once analysis has taken place and systems analyst has some idea of the scale of problem and what needs to be done, subsequent stage is
a. Sketch the excitation diagram indicating the last states and next states. b. Build the circuit using a Synchronous Counter with JK FF and NAND gates only. Replicate the circ
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