2.2.18 Lesson Review - Q&A

Q1. You have just finished replacing the motherboard in your friend Ethan's computer with the same type of motherboard. Now Ethan's external hard drive is no longer recognized. Which of the following is MOST likely causing the external hard drive not to function?

• The replacement motherboard does not support external hard drives.
• The computer's power supply was not connected properly.
• The USB front panel connector was not properly connected. ✓
• The hard drive has failed.

Q2. The CEO needs to connect his laptop to a conference room LED TV to show a promotional video with images and sound. Which cable type would work BEST?

• Composite
• HDMI ✓
• VGA
• DVI

Q3. What should be done when disassembling a computer to ensure correct reconnection of header connectors?

• Document the position and orientation of connectors. ✓
• Only refer to the labels on the wires.
• Match connectors based on color alone.
• Ignore the orientation of connectors because they fit only one way.

Q4. Why does a motherboard typically support only a limited range of CPU models?

• Motherboards have software restrictions that prevent the use of unsupported CPUs.
• CPUs with different performance levels cannot share the same motherboard.
• Different CPUs require unique power delivery and socket designs. ✓
• A motherboard's BIOS can only recognize CPUs of the same generation.

Q5. You are installing a motherboard in a system case. Which of the following objects should you place between the motherboard and the system case?

• Fans
• Standoffs ✓
• Passive heat sink
• Heat spreaders
• Support manual

Q6. Which of the following expansion buses uses a point-to-point dedicated connection and provides a serial full-duplex method of transmission?

• AGP
• PCIe ✓
• VESA local bus
• PCI
• PCI-X

Q7. What distinguishes the M.2 interface from SATA regarding power requirements?

• The M.2 interface requires a separate Molex connector for power.
• The M.2 interface only supports low-power devices that do not require an external power source.
• The M.2 interface requires a SATA power cable for functionality.
• The M.2 interface supplies power over the bus. ✓

Q8. How does the type of motherboard affect a computer system?

• It limits the number of software applications that can run.
• It allows any CPU model to be installed.
• It affects the range of devices and adapter cards that can be installed. ✓
• It determines the CPU speed.

Q9. Which of the following expansion slots are most commonly used for video cards in modern computer systems?

• PCI
• AMR
• PCIe ✓
• CNR

Q10. Why is mass storage necessary in a computer system?

• To control the motherboard's system clock
• To preserve data and files when the computer is turned off ✓
• To increase the processing speed of the CPU
• To store only non-essential data temporarily

Q11. What is the primary function of a capture card?

• To generate an output signal for a monitor
• To serve as a primary video card in gaming computers
• To record or stream video input from various sources ✓
• To increase the graphics processing power of a computer

Q12. Which of the following objects is installed between the back side of the system case and the motherboard's ports?

• Standoffs
• I/O shield ✓
• Fan
• Heat spreader

Q13. Why is thermal paste applied when installing a CPU?

• To improve heat transfer between the CPU and the heat sink ✓
• To allow the CPU to operate at a higher voltage
• To secure the CPU in its socket
• To increase the electrical connection between the CPU and the motherboard

Q14. You ordered a Micro-ATX motherboard but your case is an ATX mid-tower. Which steps must you take for the Micro-ATX motherboard to work in the ATX case?

• Drill new holes in the ATX case to match the Micro-ATX mounting pattern.
• Drill new holes in the Micro-ATX motherboard to match the ATX case.
• Return the motherboard - Micro-ATX does not fit without modifying the case.
• No additional steps are necessary. You can install the Micro-ATX motherboard in the ATX case. ✓

Q15. Which connector is part of the system case and connects to header pins on the motherboard?

• 8-pin EPS12V
• 24-pin ATX power
• Power switch ✓
• SATA power