1. 1st Generation
1.1. Technology
1.1.1. vacuum tube
1.1.2. fragile
1.1.3. use large of electricity
1.2. Main Features
1.2.1. unrealiable
1.2.2. very costly
1.2.3. huge size
1.3. Types Computer
1.3.1. IAS
1.3.2. UNIVAC
2. 2nd Generation
2.1. Technology
2.1.1. transistor
2.2. Main Features
2.2.1. generated less heat
2.2.2. faster than first generation
2.3. Types Computer
2.3.1. UNIVAC 1108
2.3.2. IBM 1620
3. 3rd Generation
3.1. Technology
3.1.1. integrated Circuit based
3.2. Main Features
3.2.1. smaller size
3.2.2. faster
3.2.3. less heat
3.3. Types Computer
3.3.1. IBM-360 series
3.3.2. TDC-316
4. 4th Generation
4.1. Technology
4.1.1. VLSI microprocessor based
4.2. Main Features
4.2.1. very cheap
4.2.2. portable and reliable
4.2.3. very small size
4.3. Types Computer
4.3.1. DEC 10
4.3.2. PDP 11
5. 5th Generation
5.1. Technology
5.1.1. ULSI Technology
5.2. Main Features
5.2.1. more user friendly
5.2.2. advancement in superconducter
5.2.3. development of true artificial intelligence
5.3. Types Computer
5.3.1. Desktop
5.3.2. Laptop
6. BASIC COMPONENT OF THE VON NEUMAN MACHINE
6.1. Von Neumann Architecture
6.1.1. data & instructions stored in memory
6.1.2. consists of CPU, memory & I/O system
6.1.2.1. CPU
6.1.2.1.1. control processing of instruction
6.1.2.1.2. central processing unit
6.1.2.2. ALU
6.1.2.2.1. performs arithmetic & boolean logical calculations
6.1.2.3. Interface unit
6.1.2.3.1. bus : bundle of wires - carry signals & power
6.1.2.4. Von Neuman Architecture
6.1.2.4.1. Memory
6.1.2.4.2. Input device
6.1.2.4.3. Output
6.1.2.4.4. Storage
6.1.2.4.5. Bus
7. MODERN COMPUTER SYSTEM AND HARDWARE IN BRIEF
7.1. Computer
7.1.1. electronic device
7.1.2. accept data,process & produce results
7.1.3. contains electric, electronic & mechanical components = hardware
7.1.4. software also called a program
7.1.4.1. provides an environment for user to execute the application software
7.1.4.2. e.g : word/excel
7.2. Network and the Internet
7.2.1. network = collection of computers and devices connects together
7.2.2. Internet = worldwide collection of network - connects millions of businesses
7.3. Types Of Computer
7.3.1. supercomputers
7.3.1.1. the fastest
7.3.1.2. capable of processing more than one quadrillion instruction
7.3.2. Mainframe Computers
7.3.2.1. large, expensive, powerful computer
7.3.2.2. handle hundreds/thousands of connectedusers
7.3.2.3. e.g : air conditioned rooms
7.3.3. Midrange Computers
7.3.3.1. less powerful than a personal computer
7.3.3.2. control access - hardware/software
7.3.4. Personal Computer
7.3.4.1. can perform all of its input/processing/ output/strorage activities by itself
7.3.4.2. 5 Types of personal computer
7.3.4.2.1. desktop
7.3.4.2.2. laptops
7.3.4.2.3. tablets
7.3.4.2.4. smartphones