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Explain difference between Scanning and parsing.
Scanning and parsing: Scanning process is the process of recognizing the lexical components in a source string whereas parsing is the process of checking the validity of a source string, and to find out its syntactic structure. The purpose for separating scanning from parsing is that the lexical characteristics of a language can be specified by using Type-3 grammars. All Type-3 production identifies lexical components is also a Type-2 production. Conversely, a recognizer for Type-3 productions is easier, simple to build and more efficient throughout execution than a recognizer for Type-2 productions. Therefore it is better to handle the lexical and syntactic elements of a source language separately.
Resource Dependence The parallelism between instructions can also be affected because of the shared resources. If two instructions are occupying the same shared resource then i
Subtract -27 from 68 using 2's complements. Ans. By using 2's complement 68-(-27)= 68-(-27) 2's complement representation of 68 = 01000100(64+4) 2's complement representatio
How can we change almost any algorithm to have a good best case running time? Check whether the input constitutes an input at the very starting Or else run the original algo
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
Complementary metal oxide semiconductor (CMOS) refers to a chip inside your computer that saves your BIOS settings. As a result, the terms CMOS & BIOS are sometimes used interchang
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Define pipeline speedup. S(m)=T(l)/T(m) Where T(m) is the execution time for some target workload on an m-stage pipeline. T(l) is the execution time for some workload an
List the steps needed to perform page replacement. The steps required to perform page replacement are: 1. Find out which page is to be removed from the memory. 2. Perfor
Massively Parallel System Refers to a parallel computer system having a great number of processors. The number in a great number of keeps increasing and currently it means more
Define device interface. The buffer registers DATAIN and DATAOUT and the status flags SIN and SOUT are part of circuitry commonly called as a device interface.
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