Introduction to

3 What is Information Technology?
The term Information Technology is defined as the study or use of systems (especially 
computers and telecommunications) for storing, retrieving, and sending information[3]. It 
refers to the uses of computers, networking, software and other equipment to manage 
information. In the modern world information technology is integral to the success of business 
and most companies are equipped with computers, DBMS (Database Management Systems), 
servers(computers with high computing capacity) for storing, processing, retrieving and 
protecting information of the company.

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Introduction To Computer Science
18
4 What is Information and Communication Technology?
Information and Communication Technology (ICT) is an umbrella term that includes 
communication device or application, encompassing: radio, television, cellular phones, 
computer and network hardware and software, satellite systems, etc. and all the technical 
means for processing and communicating information . The terms encompasses both digital as 
well as pre-digital technologies, including paper-based writing. However, it is most often used 
to describe digital technologies including:
1. 
Components of data communication such as communication protocols, 
transmission techniques, communications equipment, transmission medium. 
, as well as
2. 
available techniques for data storage and information processing.
The term has been coined out due to the convergence of information technology (IT) and 
telecommunication technology. In a nutshell ICT encompasses elements such as storage media 
to record information (whether paper, pen, magnetic disk/ tape, optical disks - CD/DVD, flash 
memory etc.); and also technology for broadcasting information - radio, television,; and any 
technology for communicating through voice and sound or images- microphone, camera, 
loudspeaker, telephone to cellular phones and the Internet .