Types of Data Communications Applications

Data communication is the process of sending and receiving data / information from two or more devices / equipment, such as computers / laptops / printers / other communication devices are connected in a network, both local and broad, such as the Internet.

Two types of data communication:
1. Through Terrestrial Infrastructure
2. Through Satellite

application:
a. Checking your credit card online.
b. The transfer of funds from one bank to another electronically.
c. Automatic Payment Machine (automatic telling machines = ATM).
d. Electronic sales system (purchase of goods which are automatically handled by the bank account).
e. e-mail
f. Systems such as Prestel Text Video
g. Fax System
h. Transaction Processing

Types of Data Communications Applications

Data Collection, data can be collected from several places (remote station), stored in memory and at certain times these data will be processed. Example: payroll inventory application

Inquiry and Response, the user can access directly to the file or program. The data that is sent to the computer system can be immediately processed and the results can be immediately given. When users conduct a dialogue with the computer system is called interactive. Examples: banking application, payment dipertokoan

Storage and Retrival, data previously stored in a computer can be taken at any time by the parties concerned without being limited distance, for example: online data storage or in an email.

Time Sharing, a user can complete the program together. Each user is given the opportunity to work for a certain period a fixed amount, after which other users are given the opportunity to work on. Example: the application user computer systems together for software development.

Jon Remote Entry, Remote Terminal Job transmit programs or data (text) to be stored to a central computer where data is processed. The program was done in batches, which is processed after the turn came. Example: a web application

Real Time Data Processing and Process Control, the desired process results in a timely manner with the interests of that process (real time). For example: Google Maps
Data Exchange Among Computers, the exchange of data in the form of programs, files and so forth between computer systems.