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Basic Computer Operations

How Computers Work?

Input: Information and programs are entered into the computer through Input devices such as the keyboard, disks, or through other computers via network connections or modems connected to the Internet. The input device also retrieves information off disks.

Output: Output Devices displays information on the screen (monitor) or the printer and sends information to other computers. They also display messages about what errors may have occurred and brings up message or dialog box asking for more information to be input. The output device also saves information on the disk for future use.

Processing: The CPU or central processing unit is sometimes called the Control Unit and directs the operation of the input and output devices. The Coprocessor or the Arithmetic-Logic Unit does arithmetic and comparisons. The memory or RAM temporarily stores information (files and programs) while you are using or working on them. The BIOS or basic input/output system controls the dialogue between the various devices.
 


Computer courses

  • Basic
  • Tally ERP 9.0
  • (DCA)Diploma in Computer Application
  • Web designing
  • Adobe Photoshop
  • (C.T.T)Computer teacher training

Basic:

  • BASIC CONTAINS: MS OFFICE, NOTEPAD, AND INTERNET.
  • MS OFFICE: Ms Office is a software package of Microsoft which includes -------
  • Ms Word
  • Ms excel
  • Ms Access
  • Ms PowerPoint

Applications:

  • Ms Word is used for making documents
  • Ms excel makes spreadsheets.
  • Ms Access creates databases
  • Ms Power point helps in making presentations.

Notepad (software): Notepad is a simple text editor for Microsoft Windows. It has been included in all versions of Microsoft Windows since Windows 1.0 in 1985.

Notepad is a common text-only (plain text) editor. The resulting files—typically saved with the .txt extension—have no format tags or styles, making the program suitable for editing system files that are to be used in a DOS environment.

Notepad supports both left-to-right and right-to-left based languages, and one can alternate between these viewing formats by using the right or left Ctrl+Shift keys to go to right-to-left format or left-to-right format, respectively.

Internet: The internet in simple terms is a network of the interlinked computer networking worldwide, which is accessible to the general public. These interconnected computers work by transmitting data through a special type of packet switching which is known as the IP or the internet protocol.

Internet is such a huge network of several different interlinked networks relating to the business, government, academic, and even smaller domestic networks, therefore internet is known as the network of all the other networks. These networks enable the internet to be used for various important functions which include the several means of communications like the file transfer, the online chat and even the sharing of the documents and web sites on the WWW, or the World Wide Web.

TALLY: Tally is an accounts and inventory management software which is having many other features too. With the latest version of this software Tally ERP 9.0 you can

  • Do all basic accounting functions,

  • Manage your store and items,
  • Manage payroll,
  • File your tax returns like prepare balance sheet, profit and loss statement, VAT forms, TDS, returns.
  • Maintain budgets, scenarios,
  • Calculate interest on pending amount.