Wednesday, 10 July 2013

Computer Hardware Basics

  

      In this topic we learnt about the computer can perform a basic operation such as Input, Output, Processing, Storage and Communication. Then Mr. Azam told us there are two components of computer, Hardware and Software. Furthermore we also learnt what computer hardware is, that includes such as Input devices, Output devices, System unit, Storage devices and Communication devices


    


     In session 2 My lecturer explains about Five generation of computer. First Generation (1940-1950): Vacuum Tube stands of ENIAC [1945] and UNIVAC [1950]. Second Generation (1950-1964): Transistor use high level languages (COBOL and FORTAN). Third Generation (1964-1974): Integrated Circuits (IC) stand of Microprocessor chips, Semiconductor memory and multiple computer models. Fourth Generation (1974-Present): Combine millions of transistors. Fifth Generation (now and the future):  Artificial intelligence.

Our ICT lecturer explain about, Computer Architecture includes Processor, memory, I/O system and data-path & control and Categories of computer that includes embedded computers, mobile devices/computer, personal computer (PC), midrange servers, mainframes and supercomputers. The lecturer also explains about system unit, motherboard, processor, CPU, registers, main memory (RAM&ROM), and volatility. Then we learnt about input devices, output devices and types of storage in session 3.

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