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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.
Instruction Issue degree : The major concept in superscalar processing is how many instructions we can issue per cycle. If we issue k number of instructions per cycle in a supersca
Front page is a software used to make a webpage.
In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses. Ans: Di
which two class die class contain in computer programing.
What are Attributes? Attributes are declarative tags in code that insert additional metadata into an assembly. There exist two types of attributes in the .NET Framework: Pred
What are the "field" and "chain" Statements? The FIELD and CHAIN flow logic statements let you Program your own checks. FIELD and CHAIN tell the system which fields you are ch
Unlink() is a function for file system handling. It will easily delete the file in context. Unset() is a function for variable management. It will create a variable undefin
state and prove distributive law?
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design modulo 12 up synchronous counter using t flip flop
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