Widely used Abbreviations ARP:             Address Resolution Protocol ARQ:             Automatic Repeat Request ...

Generations of Computer Generation Year Switching Device Speed Operating system Language Application ...

  What is a computer?   A computer is an automatic electronic programmable machine. The principal characteristic of a computer is that it can execute a prerecorded list...

  Operating System   An Operating System is an integrated set of programs that is used to manage various resources and overall operations of the computer system. An operatin...

Computer Virus   A computer virus is a program or piece of code that embeds itself into other programs and runs against your wishes.Some viruses have a logical code which e...

Data Determination   Bit  A bit (denoted as b) is a single unit of memory space. A single bit is a one or a zero, a true or a false, a ‘flag’ which is ‘on&...

  Programming Language Earlier, Machine Language was used in computers. Machine Language was written in the machine code and was executed directly by the computer. Now programmers wr...

  Types of Programming Languages   First Generation Programming Languages In first generation the language that was used was machine Language. It consists of 1's and...

Networking   Computer networking is defined as the communication between a group of two or more computer systems link . A network means a group of  computer or it is differ...

  Network Topologies   A network topology is the layout of connected devices. Types of Network Topologies Star A number of stations are connected to control stat...

MS-Access   Database Management System (DBMS) A DBMS is a collection of interrelated data and a set of programs to retrieve it. A database is a collection of data of a ...

Microsoft Access Shortcut Keys   Opening Database Files To open a new database CTRL+N To open an e...

Ms-PowerPoint   Microsoft released it as a proprietary commercial presentation program on 22nd may 1990. Current running versions are Microsoft Office Powerpoint 2010 ...

Ms-Excel   Microsoft released it as a commercial spreadsheet in year 1982 as Multiplan. The version was 2.0 Current running versions are Microsoft 2010 for windows and Micr...

Ms-Word It is a commercial office suite which has bundled application which is widely used across businesses and work places. Current running versions of Microsoft are 2010 and 2011(for Mac)....

Ms-Outlook   Microsoft has its personal information manager called Microsoft Outlook Apart from being a mail application, it is also widely used for applications like calen...

Rural development: Changing Paradigms and Approaches Since independence the agenda of rural development has been at the topmost priority of the government and its various agencies. The p...

Computer Glossary    A Abacus A standard abacus ca be used to perform addition, substraction, division and multiplication; the abacus can also be used to extract square-...