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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.
What is an algorithm The solution to any problem that is stated by an exact number of well-defined procedural steps is known as an algorithm.
Use as few gates as possible, design a NAND-to-AND gate network that realize the following Boolean algebra expression. A'BC'D + ABC'D' + A'B'CD' + AB'C'D'
Discuss the concept of segmentation? Segmentation is method for the non contiguous storage allocation. This is different from paging as this supports user's view of his program
Program Level This is normally the liability of OS (operating system) that runs processes simultaneously. Different programs are generally independent of each other. So paralle
Q. Instruction set for IA - 64 architecture? Instruction set: Architecture gives instructions for multimedia operations as well as floating point operations. Itanium supports
Q. Illustrate the Cache Memory Operation? It comprises a copy of a part of main memory contents. When a program is running and CPU tries to read a word of memory (instruction o
Q. Explain about integrated circuit? An integrated circuit is created on a thin wafer of silicon that is splitted into a matrix of small areas (size of the order of a few m.m.
Q. Register-to-register operands in RISC? Register-to-register operands: In RISC machines operation which access memories are LOAD and STORE. All other operands are kept in reg
A) Around how many entries are there in this file on your VM? B) Select and list names and corresponding port numbers for four well-liked services listed in this file?
What is swapping? A process can be swapped out temporarily of memory to a backing store and after that brought back in memory for execution as continued.
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