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Explain briefly Common sub expression elimination of the commonly used code optimization techniques.
Common sub expression elimination:
In given expression as "(a+b)-(a+b)/4", in such "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" would not modify, and by itself, only compute its value once and use similar value next time.
The method for updating the main memory as soon as a word is removed from the Cache is known as (A) Write-through (B) write-back (C) protected write
Compute the number of Ethernet frames formed for a data of 64 KB IP packet. Following figure demonstrates the format of the Ethernet frame. Here maximum data into a frame is 15
Can a structure be used within a structure? Yes , a structure can be used within a structure known as nesting of structures.
Explain how a shift register can be used as a ring counter giving the wave forms at the output of the flipflops. Ans: Shift Register as a Ring Counter: A Ring Counter is a
Differentiate between protection and security. Operating system contains a collection of objects, software or hardware. All objects have a unique name and can be accessed by
i want program code for the above question in c language
List the key notions concerning macro expansion. Two key notions relating to macro expansion is: 1. Expansion time control flow- Determines the order of model statements tha
We can modify these objects by saving into image
What is the importance of XML into EDI and electronic commerce? XML has been explained as lightweight SGML: XML demonstrates great promise for its inherent capability to per
design a FULL adder with two half adders and an or gate
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