1) WHAT IS THE MAIN FUNCTION OF CPU IN COMPUTER SYSTEM. a) To store data permanently b) To process instruction and data c) To display images on the monitor d) To supply power to the computer 2) WHAT IS THE MAIN FUNCTION OF THE MOTHERBOARD? a) To store data permanently. b) To cool the computer. c) To connect and allow communication between all hardware components. d) To supply electrical power. 3) What is the main function of RAM in a computer system? a) To store data permanently. b) To store data temporarily while the computer is running. c) To supply power to the computer. d) To display graphics. 4) Which hardware component stores firmware ? a) RAM b) Hard disk c) ROM d) Cache memory 5) What is the primary function of the power supply unit(PSU)? a) To cool internal components. b) To store electrical energy. c) To convert AC power into DC power for computer components. d) To process data. 6) Which component is responsible for rendering images and videos on the monitor? a) Sound card b) Network card c) Graphic card (GPU) d) Power supply 7) What is the function of a network (internet) card? a) To store network data b) To connect the computer to a network or the internet c) To increase CPU speed d) To display web pages 8) Which component works closely with the CPU to store instructions currently in use? a) ROM b) Hard disk c) RAM d) Power supply 9) Why is ROM important during the computer startup process? a) It stores user files. b) It loads the operating system interface. c) It contains startup instructions needed to boot the computer d) It increases processing speed. 10) Which hardware component allows data communication between the computer and external networks? a) RAM b) CPU c) Network(Internet) card d) Power supply

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