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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 steps in executing the program? 1.Fetch 2.Decode 3.Execute 4.Store
what is the usuage of Real time Os
Define memory management system? The part of the computer system that supervises the flow of information among auxiliary memory and main memory is known as memory management sy
What is commitment unit? When out-of-order execution is permitted, a special control unit is required to guarantee in-order commitment. This is known as the commitment unit. It
Q. Explain types of Micro-instructions? In general micro-instruction can be classifiedin two general kinds. These are non-branching and branching. After execution of a non-bran
What is a parallel port? A parallel port transfers data in the form a number of bits, typically 8 to 16, concurrently to or from the device.
Bitwise-Inclusive-OR Operator: inclusive-OR-expression : exclusive-OR-expression inclusive-OR-expression | exclusive-OR-expression The bitwise-inclusive-OR operator
Episodes - artificial intelligence: If an agent's current choice of action not based on its past reactions, then the environment is known as episodic. In the non-episodic envi
Explain Sequential logic circuit Ans. Sequential logic circuit:- (i) Output not only depends upon the recent state of the input but also depend upon the earlier state
Recursive procedures are implemented by using Recursive procedures are executed by using stacks due to stacks are LIFO data structure and we require this feature to store retur
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