linux

Linux  is  open sources operating system, or Linux OS, is a freely distributable, cross-platform operating system based on Unix that can be installed on PCs, laptops, net books, mobile and tablet devices, video game consoles, supercomputers and more

linux operation

internet

A browser, short for web browser, is the software application (a program) that you're using right now to search for, reach and explore websites. Such as Internet  explorer. Internet Explorer (IE) is a World Wide Web browser that comes bundled with the Microsoft Windows operating system read more about internet

installing step

excel2

 

Cell references in Excel are very important. Understand the difference between relative, absolute and mixed reference, and you are on your way to success.

fore more information about excel

microsoft word

Microsoft Word: Is a word processor developed by Microsoft. read more

excel

Microsoft Excel 2010 is a spreadsheet program that is used to manage, analyze, and present data.

It includes many powerful tools that can be used to organize and manipulate large amounts of data, perform complex calculations, create professionalarts, enhance the appearance

of worksheets, and more.  for more

network

A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams. There are several type of network: for more......

•       Personal area network, or PAN

•       Local area network, or LAN

•       Metropolitan area network, or MAN

•       Wide area network, or WAN 

window environment is the  main environment of window is desktop

Desktop is a place that contain many thing in window environment such as file icon and other program, that are easy to access for more....

soft ware is a set of programs that controls all the hardware and application programs that make up the computer system.

The operating system (OS) makes the computer hardware conveniently available to the user and also hides the complexities of the computer operation.

learn software

 

• Computer is an electronic device capable of performing all tasks. It consists of three major units such as input, output and central processing units. The four major components of a computer are: user, hardware, software and operating system.computer overview