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Explain Elimination of common sub expression during code optimization
An optimizing transformation is a regulation for rewriting a segment of a program to enhance its execution competence without influencing its meaning. One of the methods is "Common sub expression elimination"
In given expression as "(a+b)-(a+b)/4", in this "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" won't modify, and as such, only compute its value once.
Difference between data warehousing and data mining The difference between data warehousing and data mining is that data warehousing shows to the data storage while data mining
Explain the term- Hacking Use of passwords and ids to prevent illegal access to files. Also locking the computer itself or locking computer room can help here. Encryption s
Write short note on the Johnson counter. Ans: Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the
The largest and the second largest number from a set of n distinct numbers can be found in O (n)
Mathematical Simulation and Modeling Applications The tasks including modeling and mathematical simulation require a lot of parallel processing. Three basic formalisms in model
Problem: (a) IEEE802.11 supports two types of network architecture, describe these architectures with the support of diagrams detailing the network components. (b) The MAC
Explain Register marker. Register marker: Strowger selectors doing searching and counting. Conversely, the crossbar switch has no 'intelligence'. Something external to the
Array Processing We have seen that for performing vector operations, the pipelining concept has been taken. There is another method for vector operations. If we have an array o
Q. Show the Mailing lists on Internet? Another exciting aspect about E-mail is that you can find groups of people who share your interests-whether you are inclined toward games
Classification according to level of processing According to this classification, computer operations are classified as arithmetic operations and instruction implementation. Ne
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