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Articles

Role of Information Technology in Business

Information technology provides business and industrial systems for businesses. These systems allow organisations to function efficiently and effectively.

How Do I get Free Antivirus Software

You don’t have to invest much money to get your computer secured anymore. Big commercial organisations like Microsoft and

What is Free Software

 

Free software has different meanings. Understanding the concept of free software and how to make use of them can enable you to save a lot of time, resources and money. This article examines the different definitions of free...

Sending a Large Amount of Data over a Network – Routing, Compression and Flow Control

 

Large packets of data are broken down to small packets before it is sent over a network. This article explains how routing, compression and flow control enables large amount of data to be transferred over a...

Synchronous Communication

Synchronous communication is a form of data transmission between devices that is synchronised.

Asynchronous Communication

Asynchronous communication refers to digital communication between devices. There is no timing requirement for transmission.

Parity Bit and Error Checking

During data transmission, errors occur as a result of noise and other corruptions during data transmission. Parity bits are used to check for errors during data transmission.

CRC Error Detection – How CRC Works

CRC (cyclic redundancy check) is a better error checking method when compared to the parity bits. CRC uses some complex mathematical calculations to check for errors...

System Analysis - Stages in the System Development Life Cycle

The system life cycle may be looked at as a 7 phase- problem solving procedure.

What is Information Technology?

Information technology is the application of computer hardware and software technology to the handling, management and distribution of information.

Read this brief article to find out the uses of IT to individuals and businesses.

How to Prevent Data Loss
When using computers, the consequences of losing data can be very critical. In order to prevent data loss, It is necessary to take some precautions and not take things for granted.
What are the Stages of Data Processing Cycle?

Stages of Data processing cycle - This article explains the three main stages of data processing cycle.

What is IT Outsourcing?

A simple explanation of IT Outsourcing - this article gives the definition of IT outsourcing, the advantages and disadvantages.

10 Common Causes of Data Loss

If you are a computer user, then the possibility of losing data is always present. Data can be lost due to human error, virus attack, software corruption and hardware damage among other things. The good news is that most often than not, lost data can be recovered.

Building a Video Game Environment of Your Own
This article is about building a video game environment in your home and how to manage it.
What is Signal Theory?

A brief introduction to signal theory.

Main Component of the Computer Hardware

This article outlines the main components of a computer hardware.

The Main Part of a Computer - The System Unit

The system unit is the main part of the computer and this includes a number of devices which are outlined in this article.

Main purpose of operating systems

The article states briefly the Main purpose of operating systems.


 

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