Introduction to

Introduction To Computer Science
20
Answers
1. 
It is about electronic device that generates, stores and processes data in 
terms of two states( a binary code of combination of the digits 0 and 1).
2. 
The Internet
3. 
B
4. 
eLearning, eHealth, and the like
5. 
Binary 1101100010
6. 
Information Technology(IT) is one of the components of ICT or in other 
words ICT subsumes IT. Make further readings from online sources.
7. 
Internet is the interconnection of several independent networks.
References
1. 
http://www.igi-global.com/dictionary/information-and-communication-
technology-ict/14316, 
Date accessed, February 2016. 
2. 
http://www.webopedia.com/TERM/C/computer.html
, Date accessed, 
February 2016.
3. 
Wiki Page, 
https://en.wikipedia.org/wiki/Information_technology,
Date 
accessed, February 2016.
4. 
https://undergrad.cs.umd.edu/what-computer-science
5. 
http://searchcio.techtarget.com/definition/
ICT-information-and-communications-technology-or-technologies

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Unit 1: Introduction to Computer Systems
21
Unit 1: Introduction to Computer 
Systems
This unit, defines basic terms such as Hardware, Software, and the Internet. It explains History 
and evolution of Computer Systems, and Types and classes of Computer Systems.
Unit Goals
Upon completion of this unit learner should be able to: 
• Describe Computers and their types.
• Describe the software and hardware components of a Computer..
• Identify characteristics of Computers that made them useful and indispensable 
tools of our time, and
• Explain the history and evolution of Computers.