What should you do before you begin disassembling a computer system unit?

• Disconnect all cables and peripherals from the unit

• Turn off the power supply to the unit

• Wear an anti-static wrist strap to prevent static discharge

• All of the above

What tool should you use to remove screws from a computer system unit?

• Pliers

• Wrench

• Screwdriver

• Hammer

Which component is typically removed first when disassembling a computer system unit?

• Hard drive

• Motherboard

• Power supply

• Optical drive

What is the purpose of thermal paste?

• To hold the heatsink in place

• To transfer heat from the CPU to the heatsink

• To prevent the CPU from overheating

• To provide a smooth surface for the heatsink to attach to

What is the purpose of the motherboard standoffs?

• To provide additional support to the motherboard

• To prevent the motherboard from touching the case and causing a short circuit

• To provide a place to attach the power supply

• To improve the airflow inside the case

What should you do before installing a new component in a computer system unit?

• Clean the component with a soft, dry cloth

• Apply thermal paste to the component

• Ground yourself to discharge any static electricity

• All of the above

Which component is responsible for converting AC power to DC power?

• CPU

• Power supply

• Motherboard

• RAM

Which type of screw is typically used to secure expansion cards to the motherboard?

• Phillips head

• Flat head

• Hex head

• Torx head

What should you do if the computer system unit does not power on after assembly?

• Check that all cables and components are securely connected

• Replace the power supply

• Replace the CPU

• Reassemble the entire unit

What is the purpose of the CMOS battery?

• To provide power to the BIOS when the computer is turned off

• To keep the CPU cool

• To store data on the hard drive

• To regulate the voltage supplied to the motherboard