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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.
Give an account of modems used in data transfer. Modem: Modems are usually provided through network operators (Department of Telecommunication in India) or through vendors wh
Arc Consistency: There have been many advances in how constraint solvers search for solutions (remember this means an assignment of a value to each variable in such a way that
Format functions can be used to format lot of the expressions such as money, time, date, percentages and numbers. These functions are much easier to use in VBA. User defined date,
Explain the Real time process control Process control is a real time system. Though this is very different to real time (transaction) processing; this system generally involves
One can change an infix expression to a postfix expression using a By using Stack you can convert infix expression to a postfix expression
Q. Show a string in assembly language? MOV AH, 09H MOV DX, OFFSET BUFF INT 21H Here data in input buffer stored in data segment is intended to be displayed on mo
Q. What is Memory Interleaving? In this scheme main memory is splitted in 'n' equal-size modules and CPU has separate Memory Base register and Memory Address Register for every
Processor-Memory Interconnection Network (PMIN): It's a switch which attaches several processors to distinct memory modules. Connecting each processor to every memory module in
How can we access the correction and transport system? Each time you make a new object or change an existing object in the ABAP/4 Dictionary, you branch automatically to the W
What is the use of fork and exec system calls? Fork is a system call by which a new process is formed. Exec is also a system call, which is used after a fork by one of the two
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