Page 2 - UNI 101 Computer Science Handout.

Faculty of Nursing
Adult care Nursing Department

Table of content

CHAPTER 1 INTRODUCTION ......................................... 4
1.1 Historical Background .................................................... 5
1.1.1 Introduction to Computing ...................................................................6
1.1.2 Hardware ..............................................................................................6
1.1.3 Computer System ............................................................................... 12

1.2 Types of Computer ....................................................... 14
1.2.1 Supercomputer ................................................................................... 15
1.2.2 Mainframe ........................................................................................... 15
1.2.3 Minicomputer ...................................................................................... 16
1.2.4 Microcomputer .................................................................................... 17
1.2.5 Mobile Computer ................................................................................. 18
1.2.6 Embedded Computer .......................................................................... 19

CHAPTER 2 COMPUTER ARCHITECTURE .................. 20

2.1 Basic Components of Computer ................................... 21
2.1.1 Hardware Component ......................................................................... 22
2.1.2 Software Component .......................................................................... 42
2.1.3 Communication Component ............................................................... 45

2.2 How is Computer Startup? ........................................... 46

CHAPTER 3 STORAGE SYSTEMS ................................ 51

Chapter 3 ............................................................................ 52

3.1 Introduction .................................................................. 52

3.2 The Hierarchy of Storage ............................................. 54
3.3 SOLID STATE MEMORY ................................................ 56

3.4 MAGNETIC DISKS ......................................................... 58

3.5 OPTICAL DISK STORAGE ............................................. 67

3.6 MAGNETIC TAPE ........................................................... 71

CHAPTER 4 Microsoft Word ........................................ 74

2 Academic Year 2025/2026