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APPLICATION

Table of Contents

Chapter 1: Computer Organization 1

1.1 Block Diagram of Computer System 2

1.2 Central Processing Unit 3

1.3 Memory Unit 4

1.4 ALU 4

1.5 Control Unit 5

1.6 Input & Output Devices 6

1.7 Input Device Categorizing : Input hardware 7

Scanning Devices 9

Bar Code Reader 9

OCR, OMR, MICR 10-12

Mouse 13

Light Pen 15

Touch Device 6

Web Camera 17

Joystick 18

Digitizing Tablet 19

1.8 Output Devices : Printers 20

Characteristics of printers 21

Dot Matrix 22

Laser 23

Inkjet, Thermal Printers 24

Plotters 25

Monitors: CRT 27

TFT 29

Plasma 30

LCD Projector 30

DLP Projector 31

Speaker 32

Object Type Questions of Chapter 1 33

Review Questions 35

Chapter 2: Evolution and Generation of Computer System 36

2.1 Computer System Characteristics and capabilities: 38

2.2 Types of Computers & its Applications 38

2.3 General & Special Purpose Computer 41

2.4 Computer Generations 41

2.5 Classification of Computer Systems 42-48

2.6 Characteristics of Micros, Minis, Mainframes & Super

Computer

49

2.7 Evolution of micro-computers 51

2.8 Comparative study w.r.t. Micro-processor 52

Clock speed, data bus, controllers, memory, and

peripheral interface of PC to Pentium computer systems

52

Objective Type Question 53

Review Questions 55

Chapter 3: Number System, Codes & Data Representation 56

3.1 Number System 57

3.2 Inter-Conversion 59

3.3 Conversion of Binary Number System to Decimal and

Binary Number Systems to Hexadecimal 64

3.4 Codes used for information exchange between computers 68

3.5 Data Representation 70

Objective Type Question 73

Review Questions 75

Chapter 4: Storage Devices 77

4.1 Storage Fundamentals 77

4.2 Primary & Secondary Storage 79

4.3 RAM 80

4.4 Dynamic and static RAM 81

4.5 PROM 81

4.6 EPROM 81

4.7 EEPROM 82

4.8 Tape Storage Devices 82

4.9 Characteristics & Limitations of Tap Storage Devices 83

4.10 Floppy & their types 83

4.11 Direct access Storage?? Hard Disk 85

4.12 Disk Cartridges 86

4.13 Mass Storage Device 86

4.14 Optical Disk 87

4.15 CD ROM 88

4.16 DVD 89

4.17 Flash Drive 90

4.18 ZIP drive 91

Objective Type Questions 92

Review Questions 93

Chapter 5: Computer Softwares & Language 96

5.1 System Software V/s Application Software 96

5.2 Types of System Software 97

5.3 Classification and Characteristics of Languages 103

5.4 Machine language 105

5.6 High-level language 106

5.7 Generations of Computer Language 108

5.8 Application Software 110

5.9 Working with MS-OFFICE components 111

5.10 Creating, Editing, Formatting and Printing documents

using MS-WORD

112

Objective Type Questions 128

Review Questions 130