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Enclosure or Case Encases all the components of a computer. Square or rectangular in shape. Made of steel, Aluminium or plastic. ⦁ Power supply Provides power to the components of the computer. Rated in Watts (A unit of power). Mostly 250 to the 400-watt range. Converts 110 Volt or 220 Volt AC current to the DC voltages required to operate. The required voltages may be +3.3 VDC, + 5 VDC, -5VDC (ground), +12 VDC, -12 VDC (ground) and +5 VDC standby. Note: +3.3 VDC & +5 VDC standby voltages are used only by ATX motherboards, not AT motherboards. ⦁ Mo therboard The backbone of the computer, also known as the system board or Planar board. Olive green or brown circuit board that lines the bottom of the computer CPU (Central processing unit), expansion slots, underlying circuitry, video components, RAM (Random Access Memory...
Technology simplified. This blog explains Computers and Networking basics in simple words which transfers my knowledge to others and to review myself the explained concepts in future. Our vision is to help our readers to understand the basic concepts of PC and networking. This little effort may help CCENT, CCNA and A+ certifications study group.