CompTIA A+

Which of the following battery types is the MOST expensive? Lead-Acid Nickel Metal Hydride (NiMH) Nickel Cadmium (NiCad) Lithium Ion (Li-Ion)

Correct Answer: Lithium Ion (Li-Ion)

Which of the following battery types has the greatest need to be completely drained before being recharged? Nickel Metal Hydride (NiMH) Lithium Ion (Li-Ion) Nickel Cadmium (NiCad) Carbon

Correct Answer: Nickel Cadmium (NiCad)

Which of the following is an extra button or knob on a laptop keyboard that moves the mouse cursor? answer ExpressCard Pointing stick Touchpad Digitizer

Correct Answer: Pointing stick

Which of the following is a disadvantage of using a Lithium Ion (Li-Ion) battery over a Nickel Metal Hydride (NiMH) battery?

Li-Ion batteries have a shorter lifespan than NiMH batteries.

Which of the following battery types offers the greatest storage capacity in the smallest amount of space?

Lithium Ion

While using the touchpad on a laptop computer, you notice that the mouse is not responding very well, making it difficult to move the mouse around the screen. Which of the following actions would MOST likely fix this problem? Recalibrate the touchpad. Use a stylus on the touchpad. Replace the touchpad. Clean your fingers and try again.

Recalibrate the touchpad.

While servicing your laptop, you notice that your Lithium Ion battery is swelling. What is the BEST action you can take to resolve the situation?

Replace the Battery.

After replacing a laptop touchpad, a technician finds that the touchpad does not move the cursor. However, the attached USB mouse does. Which of the following actions should the technician perform before opening the laptop case to re-check the connection? Increase the operating system's mouse speed setting. Perform a minimal boot of the operating system so that device drivers are not loaded. Unplug the USB mouse and re-check touchpad movements. Toggle the scroll lock key on the keyboard.

Correct Answer: Unplug the USB mouse and re-check touchpad movements.