Topic 1 : Introdution to Computers and Computer System

1. Von Neumann Architecture

1.1. -ALU : arithmetic /logic unit

1.2. - CU : control unit

1.3. - Interface unit

1.4. - Memory : short-term storage for CPU

1.5. - Input device : mouse , keyboard , scanner

1.6. - Output device : monitor , printer

1.7. - Storage : hard drive , diskettes

1.8. - Storage : Bundle of wires that carry signals and power between different components

2. Modern Computer System and Hardware in Brief

2.1. What's a computer ?

2.1.1. - electronic device

2.1.2. - instructions store in own memory

2.1.3. - accept data

2.1.4. - process data according to specified rules

2.1.5. - produce results

2.1.6. - store results for future use

2.2. Computer Hardware

2.2.1. -Electric , electronic and mechanical known as hardware

2.3. Computer Software

2.3.1. - A program

2.4. Network

2.4.1. - Devices & computers connected together

2.5. Internet

2.5.1. - Worldwide collection of networks

2.6. Types of computers

2.6.1. - supercomputers

2.6.2. - mainframe computers

2.6.3. -midrange computers

2.6.4. - personal computers

3. History of Computers

3.1. 0th Generation - Mechinical Era

3.2. 1st Generation - Vacuum tube (ENIAC)

3.3. 2nd Generation - Transistor

3.4. 3rd Generation - Integrated Circuit Based

3.5. 4th Generation - VLSI microprocessor based

3.6. 5th Generation - ULSI Technology

4. Components of the Von Neumann Machine Principles

4.1. -Data & instruction both stored in main memory while processing

4.2. Sequential

4.3. Binary data processing

4.4. CPU , memory & I/O system