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
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.
Tally ERP 9.0
(DCA)Diploma in Computer Application
(C.T.T)Computer teacher training
- BASIC CONTAINS: MS OFFICE, NOTEPAD, AND INTERNET.
- MS OFFICE: Ms Office is a software package of Microsoft which
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
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