A customer comes into a computer part and service store. The customer is looking for a device to allow users to tap and pay for their purchases. What device should the store owner recommend to accomplish the required task?
  • NFC device
A customer comes into a computer part and service store. The customer is looking for a device to help a person with accessibility issues input instructions into a laptop by using a pen. What device should the store owner recommend to accomplish the required task?
  • magstripe reader
A customer comes into a computer part and service store. The customer is looking for a device to manually input text for a new networking textbook that the customer is writing. What device should the store owner recommend to accomplish the required task?
  • keyboard
A customer comes into a computer part and service store. The customer is looking for a device to help when repairing an airplane that will allow the customer to see and interact with the repair manual at the same time. What device should the store owner recommend to accomplish the required task?
  • AR headset
A customer comes into a computer part and service store. The customer is looking for a device to provide secure access to the central server room using a retinal scan. What device should the store owner recommend to accomplish the required task?
  • biometric scanner

A customer comes into a computer part and service store. The customer is looking for a device to help a person with accessibility issues input instructions into a laptop by using a pen. What device should the store owner recommend to accomplish the required task?

  • stylus
What is a good safety precaution to take when opening a computer case?
  • Place tape over the case edges that are sharp.
What are three important considerations when installing a CPU on a motherboard? (Choose three.)
  • The CPU is correctly aligned and placed in the socket.
  • Antistatic precautions are taken.
  • The CPU heat sink and fan assembly are correctly installed.
What does the “A” in P-A-S-S remind a person to do while using a fire extinguisher?
  • Aim the fire extinguisher at the base of the fire.
Which statement describes the purpose of an I/O connector plate?
  • It makes the I/O ports of the motherboard available for connection in a variety of computer cases.
Which two factors must be considered when replacing old RAM modules in a PC? (Choose two.)
  • The new RAM must be compatible with the motherboard.
  • The speed of the new RAM must be supported by the chipset.
A technician is installing a new high-end video adapter card into an expansion slot on a motherboard. What may be needed to operate this video adapter card?
  • Two 8-pin power connectors
A student is looking to add memory in order to speed up a tower computer. Which type of memory module should the student be looking for?
  • DIMM
A technician is replacing a power supply. Which two factors should the technician consider when obtaining the replacement part? (Choose two.)
  • type of case
  • wattage
A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned?
  • A notch in the memory module should be aligned with a notch in the memory slot.

A technician has been asked to order a replacement internal SATA HDD. Between which two form factors will the technician have to choose? (Choose two.)

  • 3.5 inches (8.89 cm)
  • 2.5 inches (6.35 cm)
When a new PC is being built, which component has the most influence when selecting the case and power supply?
  • motherboard