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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 advantages and disadvantages of hardwired and micro programmed control? Advantages of hardwired control i. Operate at high speed ii Each state of this coun
The expansion of nested macro calls done by using of? Ans. LIFO rule is used for the expansion of nested macro calls.
The 2's complement of the number 1101110 is ? Ans. 1's complement of 1101110 is = 0010001 ans hence 2's complement of 1101110 is = 0010001 + 1 = 0010010.
Define miss rate? It is the number of misses' states as a fraction of attempted accesses.
Q. Explain Random-access Semiconductor Memories Q. What is Basic memory cell? Explain Two Dimension Memory Organization with diagram.
Question: 1. Distinguish between HTTP and True streaming, stating the advantages and disadvantages of both type of media streaming. 2. Name two online services which provi
In which A/D converter has the speed of conversion is maximum ? Ans. In Parallel-comparator A/D converter, the speed of conversion is maximum. Speed of conversion is maximum a
A system utility that comes with Windows that permits the use to change a variety of dissimilar Windows and system settings.
We are planning an orienteering game. The aim of this game is to arrive at the goal (G) from the start (S) with the shortest distance. However, the players have to pass all the che
Let us see the pairs that can be considered as adjacent in Karnaugh's here. The pairs are: 1) The four corners 2) The four 1's as in top and bottom in column 00 & 01
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