Introduction to computer science dessalegn Mequanint Yehuala Foreword

Unit 2: Components of a Computer System
In this unit, the components of a computer system in relations to the Von Neumann
Architecture are described. It also provides a detailed description of the peripheral parts of a
computer system along with the software that makes the hardware components of a computer
system operational.
Unit 3: The Internet
In this unit, a brief history of the Internet, which is one of the most critical and indispensable
technological tool of our time has been presented. It also discusses the origin of the Internet,
the initial internetworking, and all the important milestones that the Internet technology has
gone through.
Unit 4: Software Applications
In this unit, some of the basic features of selected software applications such as word
processors, spreadsheets and presentation software have been presented. It provides a
description of basic features of the selected applications software aligned to the laboratory or
practical sessions designed for the module.
Assessment 
Formative assessments, used to check learner progress, are included in each unit.
Summative assessments, such as final tests and assignments, are provided at the end of each
module and cover knowledge and skills from the entire module.
Summative assessments are administered at the discretion of the institution offering the course.
The suggested assessment plan is as follows:

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Introduction To Computer Science
12
1
Quizzes- after the
completion of each unit
students are required to
take a quiz.
Each quiz weighs 5%,
total 25%
2
Individual activities, Write-
ups, learners organized in
group(in think-pair-share
setup) share their take.
25%
3
Laboratory Exercises
Evaluation
15%
4
Final Exam
35%