Introduction to computer science dessalegn Mequanint Yehuala Foreword

Introduction To Computer Science
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Learning Activity: Creating a Summary for the Unit
Introduction
In this activity you are required to summarize the unit’s content with words not exceeding
200. Just focus on the main elements discussed in the unit such as Computer, Computer
Science, Characteristics of Computers, Types or Classes of Computers, History and Evolution of
Computers.
Instructions
Summarizing the whole idea of a content of several pages in a few words among other
things requires writing skills. In this activity you need to be more specific as well as brief in
incorporating the most important elements of the unit’s content in the summary. You need to
write them in your own words, copying the topics idea in a verbatim way is not allowed.
Activity Assessment Criteria: Summary completeness and readability.
Assessment
Instruction to Unit Assessment
A solid understanding of the following items is mandatory, in case of doubts, learners are
advised to go back to the specific sections where they feel is not confident enough on
their grasp of the notion(s).
a. Types of computers
b. What a computer can do and what it can’t do
c. The electronic circuit element each generation of computers made up of
d. The characteristics of the operating system used in each generation of
computers
e. The nature of storage devices used in each generation of computers
f. The nature of programming languages used in each generation of computers

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Unit 1: Introduction to Computer Systems
33
The following are sample questions:
1.
Which of the following is not a characteristic of a computer?
a. Diligent
b. High Speed
c. Never get bored or tired
d. None
2.
Which of the following correctly describes Information Technology(IT)?
a. it is the combination of computer and communication technologies
b. it deals with data processing only
c. it deals with data communications only
d. none
3.
Which of the following is true about types of computers classification?:
a. Computers can be classified by the method of operations or processing they
use
b. Computers can be classified by purpose of applications
c. Computers can be classified by physical size
d. All
4.
Computers can perform multiple tasks simultaneously with equal ease means
a. They are diligent
b. They are fast
c. They are versatile
d. They are reliable

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