Define alphabet and string, Computer Engineering

Assignment Help:

Define Alphabet and String?

A finite set of symbols is termed as alphabet. An alphabet is frequently signified by sigma, yet can be specified any name.

B = {0, 1} here B is an alphabet of two symbols, 0 and 1.

C = {a, b, c} here C is an alphabet of three symbols, a, b and c.

Occasionally space and comma are in an alphabet while other times such are Meta symbols utilized for descriptions. Over an alphabet a language is defined. For illustration binary language is defined over alphabet B.

A finite sequence of symbols from an alphabet is termed as string or word.

From the alphabet strings B above strings are 01110 and 111. aaabccc and b both are strings from the alphabet C above.

A null string is a string without symbols, generally denoted through epsilon has zero length.


Related Discussions:- Define alphabet and string

Linear array-various interconnection networks-fully connecte, Linear Array ...

Linear Array This is a mainly fundamental interconnection pattern.  In this processors are linked in a linear one-dimensional array. The intial and last processors are linked w

Explain scripts and libraries introduction, Scripts A script within Rati...

Scripts A script within Rational Robot is a file that haves a sequence of SQABasic code. The extension of the file is always ".REC". Typically the script have an automated testc

What are the registers generally contained in the processor, What are the r...

What are the registers generally contained in the processor? MAR-memory address register MDR-memory data register IR-Instruction Register RO-Rn-General purpose registe

Components of flash, A piece of art can be looked at as having 3 main compo...

A piece of art can be looked at as having 3 main components, the subject, the composition and the content. Subject The subject of an artwork is, in simple terms, the object

What are local objects, What are local objects? Local objects (Dev clas...

What are local objects? Local objects (Dev class$TMP) are independent of correction & transport system

Which dependencies of hierarchical tables in the sap system, The structure ...

The structure of Logical Databases reflects which dependencies of hierarchical tables in the SAP system. Foreign Key dependencies

Determine how simulation can be developed, Determine how Simulation can be ...

Determine how Simulation can be developed To determine how a simulation can be developed for use in a real situation the below illustration has been chosen. Scenario chosen is

What is high level formatting, Q. What is High level formatting? In any...

Q. What is High level formatting? In any disk system the space at some time in use would become discarded and therefore will be free for other application. Operating system ass

Explain the techniques used for protection of user files, Explain the techn...

Explain the techniques used for protection of user files. This is easier to protect against accidental than malicious misuse. Protection of user files implies that file owne

Show the divide and conquer approach, Q. Show the Divide and Conquer approa...

Q. Show the Divide and Conquer approach? Divide and Conquer approach is the way of making a complicated problem easier.  In this approach larger problem (System) is divided int

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd