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Q. Explain Error Detection and Correction Codes?
Before we wind up data representation in reference of today's computers one should determine about code that helps in correction and recognition of errors. Computer is an electronic media hence there is a probability of errors at the time of data transmission. These kinds of errors can result from disturbances in transmission media or external environment. But what is an error in binary bit? An error bit alters from 0 to 1 or 1 to 0. One of simplest error detection codes is known as parity bit.
Reduce the following equation using k-map Y = BC‾D‾ + A‾BC‾D + ABC‾D + A‾BCD + ABCD Ans. Multiplying the first term with (A+A') Y = A'BC'D' + ABC'D' + A'BC'D + ABC'D + A'BCD + A
A computer communication technology that gives a way to interconnect multiple computer across short distance is LAN
Examples of artificial neural networks: Now here as an example consider a ANN that has been trained to learn the following rule categorising the brightness of 2x2 black and wh
Branch (control) hazards in computer architecture : Branching hazards (also called control hazards) take place when the processor is told to branch -for example, if a defin
When should I use server session pools and connection consumers? Ans) WebLogic JMS executes an optional JMS facility for defining a server-managed pool of server sessions. This
What is a Multiplexer Tree? Ans Multiplexer Tree: The largest available MUX IC is 16 to 1. Meeting the larger input requires there must be a provision to expand this. It
Echo suppressor is detrimental to full duplex operation because? This disables one of the two pairs in a four-wire trunk line while a signal is detected upon another pair.
What is the need of a hybrid in telephone networks? Digital exchanges need receive and transmit signals upon separate two-wire circuits. It calls for two-wire to four-wire con
Q. Explain the odd-even transposition algorithm? The algorithm needs one 'for loop' beginning from I=1 to N it implies that N times and for every value of I, one 'for loop' of
What data structure is used by an operating system to keep track of process information? Explain A data structure termed as process control block (PCB ) is used by an operat
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