Contents
1. Introduction to Computer
1.1 Introduction
1.2 History of Computers
1.3 Generations of Computers
2. Structure of Computer
2.1 Introduction
2.2 Characteristics of Computers
2.3 Basic Structure of a Computer
2.4 Types of Computers
2.5 Application Areas of Computers
2.6 Composition of Computer System
3. Computer Codes and Number System
3.1 Concept of Data
3.2 Representation of Numbers
3.3 Need for Binary Number System
3.4 Different Conversions
3.5 Binary Arithmetic
3.6 Computer Codes
4. Input/output Devices
4.1 Introduction
4.2 Input Devices
4.3 Output Devices
5. Introduction to Operating Systems and its Functions
5.1 What is an O.S.?
5.2 Functions of an Operating System
5.3 Measuring System Performance
5.4 Types of Operating Systems
5.5 Memory Management
6. Computer Memory
6.1 What is Memory?
6.2 Primary (Semiconductor) Memory
6.3 Secondary Memory and Storage Devices
6.4 Hierarchy of Storage
7. Computer Languages
7.1 Introduction
7.2 Analogy with Natural Languages
7.3 Machine Language
7.4 Assembly Language
7.5 High-level Language
7.6 Characteristics of a Good Programming Language
7.7 Selecting a Language for Coding an Application
8. Computer Communication and Networks
8.1 Introduction
8.2 Computer Communication
8.3 Types of Communication
8.4 Data Link Controls
8.5 Communication Media
8.6 Computer Network
8.7 Network Components – LAN
8.8 Network Topologies and Protocols
8.9 Protocols
8.10 Internetworking Tools
8.11 Internetworks (Internet)
8.12 Internet Applications
8.13 Fax
8.14 Modem
9. Security and Safety of Data
9.1 Introduction
9.2 Security and Safety
9.3 Measures for Security
9.4 Virus
10. Decision Making while Purchasing Computer
10.1 Introduction
10.2 Factors Governing the Purchase
10.3 Basic Configuration of Computer
10.4 Identifying Software
10.5 Precautions while shifting from Manual to Computer System
10.6 Changeover Methods
10.7 System Evaluation
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