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Uses Of Computer In Business



Uses Of Computer In Business
The use of computer in business is very important. Today, in global markets,  it is impossible to run the business without use of computer technology. Many business activities are performed very quickly and efficiently by using computers. The administrative paperwork is also reduced by using computers. Many business websites to sell their products and contact their customers.

In business, computers are used for the following purposes:

1.  Marketing
In business computer is very useful for the marketing of products of organisation. Many marketing applications are available that can be used to provide information about the products to the customers. Computer is also used for maintaining the record of products.
2. Stock Exchanges
Stock exchanges are the important places for businessmen. Today, stock market around the world are mostly computerised. Many stock markets launched the computerised systems. These systems make it possible for stockbrokers to do all their trading electronically

3. Banks
Computers are widely used in banks. They are used in banks for record keeping and maintaining the accounts of customers. The cheques of customers are processed through computer. The cheque are read by MICR (Magnetic Ink Character Reader) input device.
Most of the banks provide the facility of ATM. The customers can draw money through ATM card from any branch of that bank or another bank at any time of a day. Similarly, some banks provide the facility of credit cards that can be used to purchase different items from departmental stores without paying net cash.

4. Departmental Stores
The role of computer is very important in departmental stores. It is used to perform different operations. For Example, the record of products for sale is maintained through computer. Similarly, the bill of customer is prepared through computer. All operation are performed very easily and quickly.
In departmental stores, a bar code is printed on most of the products. This bar code contains information about the products such as name of product and its price. This bar code is read through the device known as bar-code reader or scanner. The price of the product is entered into the computer through bar code reader. The customers bill is prepared quickly and customer gets the accurate bill. The record of the sale is stored in computer. The computer also updates the inventory list. This list helps a business to manage its stocks more efficiently.
Security cameras are also widely used in departmental stores. It records the activities of the customers in the departmental stores.
Computer Network Introduction And Its Benefits

Computer Network Introduction And Its Benefits


Computer Network
A collection of computers and other devices that are connected together by communication channels for sharing information and other resources is called computer network. The resources may include printers, scanners, and hard disk. Computer network is also called the information network. The most popular information network is the internet.

In a computer network, two important technologies: computing and telecommunication work together. The computers on a network may be linked through cables, telephone lines, radio waves (Wireless), and satellites.


Uses/Benefits of network
The main beneficts or uses of computer network are :
1- Communication
     Using a network. different people can communicate with each other all over the world. People can communicate at very low cost via e-mail, chatting, telephone, video telephone, video conferencing, groupware, and SMS service.
2- Sharing Resources
In a computer network, resources such as, printers, scanners, fax machine and modems can be shared among different users. Suppose several personal computers and laser printers are connected to network. Each user can acess the printer.
3- Sharing Software
In a Computer network, usually application programs and other software are stored on the central computer. Users connected to a network can access these programs or software
4- Data Sharing
Data or information can be shared among different users. Any Authorized user can access data stored on other computer on the network. For example, on the internet large number of internet users can access same database.
Software And Its Types

Software And Its Types



Software
Software tells the computer what to do and how to do. A computer performs different operations according to the instruction of software. Software is developed in a computer programming language.

Types of Software
Software can be classified into following two main categories or types
      1- System Software
      2- Application Software

System Software
A program or set of programs that is especially designed to control different operations of computer system is called system software. It controls the working of different components of the computer. The system also enables the other application programs to excute properly

Operating systems, utility programs, and device drivers are the examples of system software. Operating system is the main and most popular type of system software.

Application Software
A program or set of programs that are especially designed to solve the specific problems of users, are called application software. It is also known as software package

There are Different kinds of application software such as comercial software, scientific software, financial packages, Games, multimedia software.

Categories of Application software
The Application software is divided into two main categories
     1- Custom-built software
     2- Packaged software

Custom-built software
The software that is developed for a particular customer or organization is called custom-built software. It is also known as customized software. For example, software developed to  maintain the records of students of a particular collage is an example of custom-built software

Packaged Software
The software that is developed for sale to the general public is called packaged software. Packaged software is  used to solve some common problem of many people or users

Some examples of packaged software are ;
    1- Word processor such as MS-Word
    2- Spreadsheet such as MS-Excel
    3- Database software such as MS-Access
    4- Graphic software such as Adobe Photoshop and CorelDraw
    5- Communication Softwware such as Internet Explorer

Information Technology Introduction

Information Technology Introduction




Information Technology

The technology used for processing, storing, and communicating information is called information Technology or IT. It is the combination of telecommunication technology and computer technology. It combines computing with high-speed communication links for carrying data from one place to another. all over the world. The website is type of information technology


Following are major components of information technology.

    1- Data or Information
    2- Medium or communication network
    3- Computer hardware and software

Before information technology, telephone system was the only source of communication. Today, in addition to telephone system, fax machines, mobile phones, and computer network are the main sources of communication. The users can share and exchange information all over the world through computer network (Internet) or mobile phone networks. Computer hardware and software are playing main role in information technology.

The world has become a globel village due to information technology. The global village means the people living in the world know each other as if they are living in a village. People can exchange information or messages in such a manner as if they are sitting in a drawing room, face to face.

Computer Basic Introduction

Computer
A computer is an electronic machine.it can be programmed to accept data process data into useful information, and store it for later use. A computer System consists of hardware and software

Software
Computer processes data according to the set of instructions given to it. The set of instructions given to the computer to perform a specific task is known as software. Software is also called computer program

Hardware
The physical components of a computer are called hardware. You can touch, see and feel hardware. The input/output devices ( such as keyboard, mouse, printer, monitor ), CPU, memory unit. are examples of hardware