COMPUTER HARDWARE COMPONENTS FUNCTIONS
WHAT IS A COMPUTER SYSTEM UNIT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Power Supply Unit
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CPU
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PCI Bus/Slot
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RAM
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Detailed explanation-1: -A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.
Detailed explanation-2: -POWER SUPPLY UNIT (PSU) Installed in the back corner of the PC case, next to the motherboard. It converts 120vac (standard house power) into DC voltages that are used by other components in the PC.
Detailed explanation-3: -The rear of the computer case contains small openings to fit the connectors contained on the motherboard, which is mounted inside. The power supply is also mounted just inside the back of the case, and a large opening allows for the connection of the power cord and use of the built-in fan.
Detailed explanation-4: -USB Ports. On most desktop computers, most of the USB ports are on the back of the computer case. Generally, you’ll want to connect your mouse and keyboard to these ports and keep the front USB ports free so they can be used for digital cameras and other devices.
Detailed explanation-5: -Internal Motherboard Ports CPU power connector-Power cable connection for the CPU. ATX power connector-Power cable connection for the system. DIMM/RAM Memory slots-Connectors for system memory or RAM. PCIe slots (x16, x2, x1)-Expansion card slots, including the graphics card.