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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.
Q. Drawback of the system using disk caching? The main drawback of the system using disk caching is risking loss of updated information in event of machine failures like loss o
Explain Garbage collection In this method two passes are made over the memory to identify new areas. In the first pass it traverses all pointers pointing to allocated areas an
Your shell must accept commands from the user. The first step to implement this will be reading a line of input. This section will focus on what to do with the line of input after
DEFINE FILE ORGANISATION
Perform the subtraction using 1's complement of 11001 - 10110 Ans. 11001 - 10110 = X - Y X = 11001 1's complement of Y = 01001
An ActiveX control has four types of properties: 1. Stock:-> These are standard properties supplied to each control, such as font / color. The developer must activate stock pro
What is compound statement If we wish to have more than one statement following the if or the else, they should be grouped together between curly brackets. Such a grouping is c
Reg data type as Combinational element module reg_combo_example( a, b, y); input a, b; output y; reg y; wire a, b; always @ ( a or b) begin y = a & b; e
Determine the function of Dynamic model Dynamic model: Dynamic model describes how system responds to external events. The implementation of the control flow in a program must
Q. Convert the following BINARY numbers into OCTAL, double check by converting the result OCTAL to BINARY. a) 111.111 b) 10110111 c) 0.11111
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