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Microcomputers More about types of microcomputers
Desktops Towers (& mini towers) Notebooks (laptops) PDA (palmtops) Minicomputers Mainframe computers Supercomputers
Inside the System Unit Chips (Integrated Circuits) Motherboard Main Memory
RAM - Random Access Memory ROM - Read-only Memory Virtual Memory CMOS Complementary Metal–Oxide–Semiconductor CPU (Central Processing Unit) ALU (Arithmetic Logic Unit) Control Unit Instruction Cycle
Seven factors which affect the processing of a computer
Clock Rate Word Size (registers) Cache RAM Data Bus Address Bus Math Co-processor
1. Power up 2. Start Boot Program 3. Power- On Self-Test (POST) 4. Load Operating System 5. Check Configuration 6. Ready for Commands and Data
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