CompTIA A+ Question C-38

After upgrading a customer’s motherboard and CPU, the PC will not boot. The technician can hear a single long beep lasting 4-5 seconds. This beep repeats until the unit is powered off. Which of the following is the MOST likely cause of this alarm?

A. The technician has shorted out the motherboard.
B. The technician has not properly seated the RAM.
C. The technician has not connected the keyboard.
D. The power supply is insufficient for the upgrade.

Correct Answer: B

CompTIA A+ Question C-14

Before installing a new expansion card, which of the following should a technician consider? (Select TWO).

A. CPU type
B. Free hard drive space
C. Power supply wattage
D. Amount of RAM
E. Bus type

Correct Answer: CE

Explanation:
First you need to check if the power supply has enough wattage to power the new expansion card. Then check the bus type to see if it can support the new expansion card.

CompTIA A+ Question B-54

Which of the following voltages is MOST likely to be supplied from a PC power supply unit? (Select TWO).

A. 1V
B. 1.7V
C. 3.3V
D. 5V
E. 9V

Correct Answer: CD

Explanation:
3.3 volts and 5V are the common voltage range that a PC power supply unit uses to power computer components.

CompTIA A+ Question A-76

A user, Emily, is preparing to travel abroad and wants to ensure that her laptop will work properly. Which of the following components of the laptop should be verified FIRST to ensure power compatibility before traveling?

A. Wall adapter
B. Battery
C. Power supply
D. Digitizer

Correct Answer: A

CompTIA A+ Question A-61

A technician is troubleshooting a desktop PC. When the power button is pressed, the fan momentarily spins and the PC does not boot. Which of the following components is MOST likely the problem?

A. CPU
B. CMOS battery
C. RAM
D. Power supply

Correct Answer: D

CompTIA A+ Question A-55

A user reports that their UPS is making a loud beeping sound. Which of the following would cause this problem?

A. The UPS is overcharged.
B. Incorrect wattage on the power supply.
C. The UPS battery is not charged.
D. The UPS is in power management mode.

Correct Answer: C

CompTIA A+ Question A-51

A user states there are multiple small black dots on an LCD screen. Which of the following should be done to resolve the issue?

A. Replace monitor.
B. Replace video card.
C. Replace video cable.
D. Replace power supply.

Correct Answer: A

CompTIA A+ Question A-43

A customer has purchased a 1TB internal hard drive. The customer would like to have it installed as a data drive in their existing system. The technician discovers there is no spare power supply connector for the new hard drive. Which of the following would enable the technician to EASILY accomplish the task? (Select TWO).

A. Replace the existing hard drive.
B. Replace the power supply.
C. Remove the floppy disk.
D. Remove the CD-ROM.
E. Split an existing power connection.

Correct Answer: DE