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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 the Sum of Product Form? In The Boolean Algebra a product is produced by "ANDing" two or more variable inputs. Product of the two variables is expressed as AB and three
Conversion of decimal number 25.5 into binary number Ans. There is integer part is 25 and fractional part is 0.5. Firstly convert the integer part 25 in its equal to binary numb
Q. Add Multiple Layout Cells ? Next you will add three layout cells below the logo cell you just created. Afterwards you will insert page's navigation buttons in these cells.
The advantage of using a Database Management System The advantage of using a Database Management System for a data store is that databases have mechanisms for describing data,
Define The Karnaugh Maps (K Maps) The Karnaugh map (K map) provides the systematic method for simplifying a Boolean expression or a truth table function when used properly the
What is time out mechanism. If one unit is faulty the data transfer will not be done. Such an error can be detected using time out mechanism which makes an alarm if the data tr
Internal Path length It is described as the number of node traversed while moving by one particular node to any other node in the tree.
Suppose that a process scheduling algorithm favors those processes that have used the least processor time in the recent past. Why will this algorithm favour I/O- bound processes,
Can someone provide me a scehmatic diagram of RS232C with explanation?
A) Around how many entries are there in this file on your VM? B) Select and list names and corresponding port numbers for four well-liked services listed in this file?
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