1. Understanding the Computer
1.1 Introduction
1.2 Evolution of Computers
1.3 Generations of Computers
1.4 Classifi cation of Computers
1.5 Computing Concepts
1.6 The Computer System
1.7 Applications of Computers
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2. Computer Organisation and Architecture
2.1 Introduction
2.2 Central Processing Unit
2.3 Internal Communications
2.4 Machine Cycle
2.5 The Bus
2.6 Instruction Set
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3. Memory and Storage Systems
3.1 Introduction
3.2 Memory Representation
3.3 Random Access Memory
3.4 Read Only Memory
3.5 Storage Systems
3.6 Magnetic Storage Systems
3.7 Optical Storage Systems
3.8 Magneto Optical Systems
3.9 Solid-state Storage Devices
3.10 Storage Evaluaton Criteria
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4. Input Devices
4.1 Introduction
4.2 Keyboard
4.3 Pointing Devices
4.4 Scanning Devices
4.5 Optical Recognition Devices
4.6 Digital Camera
4.7 Voice Recognition System
4.8 Data Acquisition Sensors
4.9 Media Input Devices
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5. Output Devices
5.1 Introduction
5.2 Display Monitors
5.3 Printers
5.4 Impact Printers
5.5 Non-impact Printers
5.6 Plotters
5.7 Voice Output Systems
5.8 Projectors
5.9 Terminals
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6. Computer Codes
6.1 Introduction
6.2 Decimal System
6.3 Binary System
6.4 Hexadecimal System
6.5 Octal System
6.6 4-bit Binary Coded Decimal (BCD) Systems
6.7 8-bit BCD Systems
6.8 16-bit Unicode
6.9 Conversion of Numbers
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7. Computer Arithmetic
7.1 Introduction
7.2 Binary Addition
7.3 Binary Multiplication
7.4 Binary Subtraction
7.5 Binary Division
7.6 Signed/unsigned Numbers
7.7 Complements of Binary Numbers
7.8 Binary Subtraction Using Complements
7.9 Representing Numbers
7.10 Integer Arithmetic
7.11 Floating-point Arithmetic
7.12 Errors in Arithmetic
7.13 Laws of Arithmetic
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8. Boolean Algebra of Switching Circuits
8.1 Introduction
8.2 Elements of Boolean Algebra
8.3 Basic Postulates of Boolean Algebra
8.4 Boolean Operations
8.5 Principle of Duality
8.6 Basic Laws of Boolean Algebra
8.7 Demorgan’s Theorem
8.8 Boolean Expressions
8.9 Venn Diagram
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9. Logic Gates and Digital Circuits
9.1 Introduction
9.2 Basic Logic Gates
9.3 Derived Logic Gates
9.4 Conversion of Boolean Functions
9.5 Adder Circuits
9.6 Flip-fl op Circuits
9.7 Application of Flip-fl ops
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10. Computer Software
10.1 Introduction
10.2 Types of Computer Software
10.3 System Management Programs
10.4 System Development Programs
10.5 Standard Application Programs
10.6 Unique Application Programs
10.7 Problem Solving
10.8 Structuring the Logic
10.9 Using the Computer
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11. Operating Systems
11.1 Introduction
11.2 History of Operating Systems
11.3 Functions of Operating Systems
11.4 Process Management
11.5 Memory Management
11.6 File Management
11.7 Device Management
11.8 Security Management
11.9 Types of Operating Systems
11.10 Providing User Interface
11.11 Popular Operating Systems
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12. Microsoft Software
12.1 Introduction
12.2 MS-DOS
12.3 MS Word System
12.4 MS Excel System
12.5 MS Powerpoint System
12.6 MS Access System
12.7 MS Publisher
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13. Programming Languages
13.1 Introduction
13.2 History of Programming Languages
13.3 Generations of Programming Languages
13.4 Characteristics of a Good Programming Language
13.5 Categorisation of High-level Languages
13.6 Popular High-level Languages
13.7 Factors Affecting the Choice of a Language
13.8 Developing a Program
13.9 Running a Program
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14. Data Communications and Networks
14.1 Introduction
14.2 Data Communication Using Modem
14.3 Computer Network
14.4 Network Topologies
14.5 Network Protocols and Software
14.6 Applications of Network
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15. The Internet and World Wide Web
15.1 Introduction
15.2 History of Internet
15.3 Internet Applications
15.4 Understanding the World Wide Web
15.5 Web Browsers
15.6 Browsing the internet
15.7 Using a Search Engine
15.8 Email Service
15.9 Protocols Used for the Internet
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16. Introduction to C Programming
16.1 Introduction
16.2 Characer set, Keywords and Data Types
16.3 Preprocessor Directives
16.4 Constants and Variable Types
16.5 Operators and Statements
16.6 Control Statements
16.7 Arrays and Strings
16.8 Functions
16.9 Structures
16.10 Pointers
16.11 Files in C