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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.
For F = A.B.C + B.C.D ‾ + A ‾.B.C, write the truth table to realize the function using NAND gates only ? Ans. Logic Function given as F = ABC + BC‾D + A‾BC, simplification o
Sequential Logic Gates SR flip flop 1)
What is a deadlock? A deadlock is a situation that can increase when two units, A and B use a shared resource. Assume that unit B cannot complete its task unless unit A complet
Explain about the Logical Devices Locator, to indicate a position and/or orientation Pick, to select a displayed entity To input a single value in the space of re
Effect of IS on Humans - Information System We have concentrated in this chapter on the ways that IS has evolved making it more useful and more user-friendly. This proliferat
advantages of dda line algoritm
The linkage section is part of a known as program that 'links' or maps to data items in the calling program are working storage. It is the part of the called program where these sh
What are the types of electronic payment system? Types of the electronic payment system are as given below: The most Internet payment way for Business to Customer is credit
Why do we need Registers? If t cpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and t mem is memory cycl
Q. Describe the Limitation of FAT16? DOS designers decided to use clusters with as a minimum four sectors in them (so a cluster size of at least 2KB) for all FAT16 hard disks.
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