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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.
Magnify a triangle with vertices A = (0,0), B = (3,3) and C = (6,4) to twice its size in such a way that A remains in its original position.
Handshake packets: Handshake packets consist of nothing but a PID byte, and are usually sent in response to data packets. The 3 basic types are, NAK, indicating that the data
List one advantage and one disadvantage of having large block size. Ans: Advantage: By using a huge block of memory is maximum process's accommodation that resulting is less no
Give a simple example of dynamic modelling using these notation A simple example using these notation is shown below in Figure:
Factor which helps in analysis of parallel algorithms is the total number of processors needed to deliver a solution to a provided problem. So for a given input of size let's say n
homework help.
What is synchronous DRAM? Synchronous DRAM's are those whose operation is directly synchronized with a clock signal.
Explain Circular Dependencies. Circular Dependencies: To know the problem of circular dependencies consider a file server which uses a timeserver to acquire the current
Pipelined Processor Having discussed pipelining; now we can describe a pipeline processor. A pipeline processor can be distinct as a processor that consists of a series of proc
This is an embedded system that involves the integration of hardware and software design stages. It consists of the user interface (keypads and LCD display) and two Peripheral Inte
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