True or false: A device's clock speed alone determines how fast it feels.
2 Mobile Hardware and Components Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Mobile Hardware and Components, test your knowledge, and prepare for your next test or exam.
A mobile device has wireless radio hardware for communication. What is the role of its antennas?
- A
They store wireless settings for the operating system.
- B
They transmit and receive radio signals.
- C
They convert touch input into screen images.
- D
They regulate battery charging.
What component connects and supports major parts such as the processor, memory, storage, and power circuitry?
A battery is a safety hazard; do not it or press on it.
Which display technology creates light with individual pixels rather than using a backlight?
- A
An LCD panel
- B
A digitizer
- C
An OLED panel
- D
A heat spreader
Which components may a phone's or tablet's system-on-chip combine on one chip? Select all that apply.
- A
The CPU
- B
The GPU
- C
Other controllers, such as image-processing or wireless components
- D
A removable memory card
True or false: A battery's capacity by itself determines how long a device will run.
- A
True
- B
False
A tablet has no cooling fan. Which approach may it use to move heat away from its components?
- A
They rely on a fan to move heat away from components.
- B
They can use passive heat spreading rather than a fan.
- C
They use the display digitizer to cool the processor.
- D
They store heat in the battery to prevent component wear.
Which statements about a touchscreen display system are accurate? Select all that apply.
- A
The display panel produces the visible image.
- B
The digitizer detects the position of a finger or stylus.
- C
The display panel and digitizer may be integrated into one assembly.
- D
The digitizer produces the visible image while the display detects touch.
Which audio component produces sound that a device user can hear?
A camera module typically includes a and an .
Why should a technician check documentation for a specific device model before assuming that one of its components can be replaced separately? Give one example involving wireless hardware.
During a video call, which component captures the user's voice?
- A
Speaker
- B
Microphone
- C
Antenna
- D
Digitizer
A document is saved on a laptop, then opened and edited. Which component temporarily holds the document's active contents while it is being edited?
- A
RAM
- B
The battery
- C
The digitizer
- D
The antenna
A tablet shows its image normally, but it does not register finger or stylus input. Which display-system component is the most likely source of the touch-input problem?
- A
The display panel
- B
The GPU
- C
The digitizer
- D
The storage device
A technician is identifying the part responsible for transmitting and receiving radio signals in a mobile device. Which component should they identify?
- A
They regulate charging and distribute power.
- B
They transmit and receive radio signals.
- C
They store wireless settings when the device is off.
- D
They render images for the display.
A fanless tablet needs to move heat away from its components. Which approach is commonly used in fanless mobile devices?
- A
A memory card
- B
An antenna
- C
A digitizer
- D
Passive heat spreading
True or false: Pressing a swollen mobile-device battery to flatten it is a safe way to handle it.
- A
True
- B
False
What is the name for a chip that combines a device's CPU, GPU, and often other controllers?
What is the name of the board that connects and supports major components such as the processor, memory, storage, and power circuitry?