just read it

#Computer fundamentals - cabinet   - power supply (SMPS)   - mother board      - cpu slot(s)       - cpu         - PGA (Pin Grid Array)         - BGA (Ball Grid Array)       - Family         - CISC           - Intel (Integrated Electronics)           - AMD (Advanced Micro Devices)         - RISC           - ARM             - Samsung             - Qualcomm             - Apple             - Motorola ...