Tabla de Contenidos: “…Cover -- Contents -- Syllabus -- Preface -- Chapter 1: Introduction to Computers -- 1.1 Introduction -- 1.2 Characteristics of Computers -- 1.3 Development of computers -- 1.3.1 Some Early Computers -- 1.4 Generations of Computers -- 1.4.1 First Generation (1940-56): Vacuum Tubes -- 1.4.2 Second Generation (1956-63): Transistors -- 1.4.3 Third Generation (1964-Early 1970s): Integrated Circuits -- 1.4.4 Fourth Generation (Early 1970s-Till Date): Microprocessors -- 1.4.5 Fifth Generation (Present and Beyond): Artificial Intelligence -- 1.5 Classification of Computers -- 1.5.1 Classification According to Purpose -- 1.5.2 Classification According to Type of Data-Handled Techniques -- 1.5.3 Classification According to Functionality -- 1.6 The Computer System -- 1.6.1 Basic Components of a Computer System -- 1.7 Types of Input Devices -- 1.7.1 Keyboard -- 1.7.2 P ointing Devices -- 1.7.3 D igital Camera -- 1.7.4 Scanners -- 1.7.5 Optical Character Recognition (OCR) -- 1.7.6 Optical Mark Recognition (OMR ) -- 1.7.7 Magnetic Ink Character Reader (MICR) -- 1.7.8 Bar Code Reader -- 1.8 Types of Output Devices -- 1.8.1 Printers -- 1.8.2 Plotters -- 1.8.3 Computer Monitor -- 1.9 Types of memor y -- 1.9.1 Primary Memory -- 1.9.2 Secondary Memory -- 1.10 Applications of Computer -- Let us Summarise -- Exercises -- Answer -- Chapter 2: Number Systems and Computer Codes -- 2.1 Introduction -- 2.2 Number system -- 2.2.1 Types of Number Systems -- 2.2.2 Conversion Between Number Bases -- 2.3 Computer Arithmetic -- 2.3.1 Binary Arithmetic -- 2.3.2 Octal Arithmetic -- 2.3.3 Hexadecimal Arithmetic -- 2.4 Coding Schemes -- 2.4.1 BCD -- 2.4.2 ASCII -- 2.4.3 EBCDIC -- Let us Summarise -- Exercises -- Answer -- Chapter 3: Microsoft Office Excel 2003 -- 3.1 Introduction -- 3.2 Starting Microsoft Office Excel 2003 -- 3.2.1 Microsoft Excel Environment…”