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  The Lexical Analysis of a Computer Program is performed by the Lexical Analyzer. The Computer Program written in a high level language is used by the Lexical Analyzer. Such a Program is written using a finite set of symbols.  The task of making a distinction among Program Elements such as Reserved Words , Operators , Data Types , Variables, Constants , Delimiters , Sequencers , Iterators is performed by the Lexical Analyzer. The task of Lexical Analysis segregates the Program Elements such as Data Types , Operators , and Variables . These Elements are grouped to form clusters.  We have a cluster of Data Types present in a Computer Program. Operators that are in the Program are clustered separately. Similarly we have other clusters that represent distinct Program Elements. The Program Elements that are recognized by the Lexical Analyzer are called tokens. We can say that Reserved Words , Data Types , and Constants are the tokens that find recognition as such during  Lexical Analysis.

  A Compiler is a Computer Program that performs code translation. In fact, Compiler is a Language Translator.  A high level language program forms the input to a Compiler.  The output of a Compiler is termed as Object Code. The Compiler output may be a Binary Code. The code generated by the Compiler may be in the form of an Assembly Language Program. _______________________ _______________________ Note: Code Translators are also called Language Processors. _______________________ _______________________ The input to the Compiler is a source code. The source code is processed to obtain the object code. The source code is Programmer friendly. The object code may be a long string of 0s and 1s .  The source code is run through the Compiler. The resultant code that is obtained has a different form. The structure of the Compiled Code reflects the transformation that is performed.  Such transformational task of code translation is achieved by application of advanced processing techniques. Su

  A Number System is a set of numbers. The numbers are the  System Elements of the Number System. The Number System can be understood with the help of Number System Elements. The Number System Elements are the structural units of the Number System. The number of distinct symbols that are used to design a Number System decides the nomenclature of the Number System. The cardinality of Number System Elements is called the base, or radix of the Number System.  The Binary Number System has a base equal to two. This means that there are two distinct symbols in the Binary Number System. The two unique symbols that are used to frame Binary Numbers are: '0', and '1'.  '0' and '1' are the symbols that are used in the Binary N umber System.  Likewise the Decimal Number System has a base equal to ten. So, there are ten distinct symbols (digits) that are used to structure a decimal number.  The symbols that are employed in a Number System are called numerals. These

A creation of Programming activity based on modelling real-world objects is called Object-Oriented Programming Paradigm. Computer Software comes to model real world objects.  Only the essential aspects of the object under the scanner are considered. For a 'Paradigm' based on Object-Oriented Programming, Object-Oriented Programming Language is deployed. Good examples of Object-Oriented Programming Languages are C++, and Java. Feasibility of a programming model is the prime criterion that dictates our programming efforts here.  Object selection, dictated by feasibility of a model, gives way to enlistment of the object attributes. We go ahead and carefully jot down the attributes. Attributes are termed as data members. Data Members feature the static aspects of the object storyline. Data Members play a role. The role played is characterised by a dynamic thrust. Such thrust sees action, and processing sets in. Member Functions that come along set the data members in a rolling state

  Information Technology (IT) is a discipline that dwells on the application of Computing power on Computer data. The focus of IT is on data handling. IT is a broad concept that motivates us to maximise application of computing power. The world around is suitably decked with upward trending processing power to harness IT. The rapid development of IT is being spearheaded by the world of Computers. The far reaching impact of IT has been achieved by the ceaseless endeavours of man and machine. The mere reference of IT brings to our mind the powerful nexus of modern technology, semiconductor electronics, computing power, telecommunications, and broadcasting. IT is indispensable for the following areas of human endeavours: ( 1 ) Industrial  ( 2 ) Commercial ( 3 ) Administrative ( 4 ) Educational  ( 5 ) Medical ( 6 ) Scientific  ( 7 ) Professional ( 8 ) Domestic  The galvanising impression of IT is felt by the world across.  Modernity finds IT to be its greatest vitalising pillar. It has bee

  A chip made up of a semiconductor material is termed as a Microprocessor. Microprocessors are the emblems of high performance and embodiment of the CPU (Central Processing Unit). A Microprocessor chiefly consists of: _________________ _________________ ( A ) Arithmetic and Logic Unit  (ALU) ( B ) Control Unit (CU) ________________ ________________ The ALU performs arithmetic tasks that it is instructed to perform. Common arithmetic operations are addition, subtraction, multiplication, and division. ALU is also responsible for performing logical operations.  Boolean Logic is a set of principles. It is used in Computers and helps the Computing Units to perform logical tasks.  Boolean operators are used in Boolean logic. Such operators perform logical functions.  ALU is decked with the Boolean Logic. The Logic Unit of ALU is enabled to perform operations such as AND, OR, and NOT; thanks to the Boolean Logic. In fact, Microprocessor is the hub of Computing activities inside a Computer Sy