Internet and its service

 Dear all,

          Here some topics are related to internet and its service.

Comments

Post a Comment

Popular posts from this blog

Computer Basic

  The word “computer” comes from the word “compute”, which means to calculate”. Charles Babbage is known as the ' Father of computer' .  A computer often referred to as a “data processor” because it can store, process, and retrieve data whenever desired.  The activity of processing data using a computer is called data processing.    Data processing consists of three sub activities:- (1)          Capturing input data (2)          Manipulating the data and (3)          Managing output results. Data : - Data is raw material used as input to data processing. Data can be anything like numerical, non-numerical or a mixture of both. Information : - Information is processed data obtained as output of data processing. Computer: - A computer is an electronic device which performs numerical calculation and logical calculation at hig...
Read more

Character Set and Tokens in Python

Image
  Character Set : Character Set in Python consist of  valid characters such as alphabets, digits or special characters that are recognized by the library of Python Language. Alphabets:                         A,B,......Y,Z or a,b,.......y,z. Digits:                               0,1,2,3,4,5,6,7,8,9 Special Character:      ~!@#$%^&*()_+{}[];:'"\,./<> etc. White spaces    :             Blank space, new line, etc. Token: The smallest individual unit in a program is referred as 'Token'. It is also called Lexical Element or Lexical Unit. It can be categorized as: 1. Keywords : Keywords are the reserved words that has specific function in a program. These words are used while writing program to get desired output. The keywords are executed  as its purp...
Read more

DATABASE INTRODUCTION

Database : A database is an organized collection of related information in which facts are properly arranged and stored.  A database is made up of a basic unit called “Table”.  A table is made of different ‘Fields’ and ‘Records’.  Record : Collection of organized data or related facts is called Record.  Field : A field is a collection of same data types.  DBMS (Database Management System): A database Management System is a tool for managing and manipulating information of a database.  The main Functions of a DBMS is:  Creating Database.   Adding Records.  Modifying Records.  Displaying Records.   Storing Records.   Deleting Records.   Generating Reports.   Printing Reports.  Some Example of DBMS: MS Access, My-SQL,etc.  Features of DBMS: DBMS ensures data security. DBMS facilitates the sharing of data among different database. DBMS controls data inconsistency to a large extent. DBMS...
Read more