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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.
Describe Real and protected mode: Operation of Real mode interrupt: When microprocessor completes executing the current instruction, it concludes whether an interrupt is act
State the various Security Tools Securing an Intranet is not a simple task. Just as articles in a house are protected by use of various types of security systems such as lock
1) All squares containing a 1 must be grouped. 2) The largest possible groups must be formed. 3) Groups can overlap if this allows larger groups to be formed. 4) Groups mu
Consider the following set of jobs with their arrival times, execution time (in minutes), and deadlines. Job Ids Ar r ival Time E
With reference to telephone traffic, explain the terms GOS. GOS: in loss systems, the traffic carried through the network is usually lower than the actual traffic offered to
Many medium-to-large information services units for modern business have reorganized to be decentralized with an emphasis on dynamic teams andempowerment. In modern business system
In general what are the two ways in which one can retrieve data from tables? Using Select statements, Database Program.
a. Sketch the excitation diagram indicating the last states and next states. b. Build the circuit using a Synchronous Counter with JK FF and NAND gates only. Replicate the circ
With LDB one can change the pre-generated selection screen to their needs Yes with LDB one can alter the pre-generated selection screen.
What is normal form? A normal form is a guideline for relational database tables that enhances data consistency. As tables satisfy higher levels of normal forms, they are less
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