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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.
How non-relocatable programs are different from relocatable programs? Non relocatable program: It is one that cannot be made to execute in any type of area of storage other t
What are superscalar processors? Several instructions start implementation in the same clock cycle, and the processor is said to use multiple issue. Such processors are capable
Defining Types of Data ? The subsequent format is used for defining data definition: Format for data definition: {Name} Name - a program references the data
Why does FTP use two standard ports whereas other protocols, in general use only one port? Justify. File transfer protocol uses a control connection just to send commands and r
Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wai
For the purposes of this assignment, you are the accountant for an industrial property development company, Devprop Leasing Co., that typically develops warehouse and industrial co
In a RAM, information can be stored ? Ans. RAM is used by the user, number of times.
Q.What is Canonical and Standard Forms? An algebraic expression can express in two forms: i) Sum of Products (SOP) for example (A . B¯) + (A¯ . B¯) ii) Produ
Q. Fundamental components of a CPU? The two fundamental components of a CPU are control unit and arithmetic and logic unit. The control unit of CPU selects and interprets progr
A system contains 10 units of resource class Ru. The resource requirements of three user processes P1, P2 and P3 are as follows
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