CompTia A+ (Core 1) Domain 1: Mobile Devices
Practice Test |QUESTIONS AND CORRECT
ANSWERS (VERIFIED AND WELL DETAILED
ANSWERS) LATEST UPDATE 2024/2025
device that typically uses flash memory to store data, instructions, and information
- Small, no spinning parts
- Fast access time
- Uses less power
Hybrid Drive (SSHD) - ✔✔- Solid State Hybrid Drive (SSHD)
- Storage device that's a mix between a magnetic HDD and an SSD.
- Automatically caches data that is frequently accessed
What are the types of wireless cards used in laptops? - ✔✔- W-WAN
- W-PAN
- Mini PCI cards
What are the Dual In Line Memory Modules (DIMM) used in laptops? - ✔✔- SoDIMM
- MicroDIMM
Optical Drive - ✔✔- Used to read/write CDs and DVDs
Video Card - ✔✔An interface card installed in the computer to control visual output
on a monitor.
- Also known as graphics card
, Lithium Ion - ✔✔Common battery type in consumer electronics.
Central Processing Unit (CPU) - ✔✔Brain of the computer that performs instructions
defined by software.
CPU in laptop vs. CPU in desktop - ✔✔- Uses less power
- Tougher to upgrade
- Slower than desktop
LCD (liquid crystal display) - ✔✔LCDs use liquid crystals and electricity to produce
images on the screen.
OLED (organic light-emitting diode) - ✔✔A type of monitor that uses a thin LED layer
or film between two grids of electrodes and does not use back lighting.
LED backlighting - ✔✔- Used for LCD screens
- Uses DC voltage to light screen
CCFL (cold cathode fluorescent lamp) - ✔✔- Higher voltage
- Used in older systems
- Uses inverter to convert DC into AC power
WiFi Antenna - ✔✔- Wrapped high into display screen and around bezel
Digitizer - ✔✔A touchscreen technology that converts finger or stylus contact
Practice Test |QUESTIONS AND CORRECT
ANSWERS (VERIFIED AND WELL DETAILED
ANSWERS) LATEST UPDATE 2024/2025
device that typically uses flash memory to store data, instructions, and information
- Small, no spinning parts
- Fast access time
- Uses less power
Hybrid Drive (SSHD) - ✔✔- Solid State Hybrid Drive (SSHD)
- Storage device that's a mix between a magnetic HDD and an SSD.
- Automatically caches data that is frequently accessed
What are the types of wireless cards used in laptops? - ✔✔- W-WAN
- W-PAN
- Mini PCI cards
What are the Dual In Line Memory Modules (DIMM) used in laptops? - ✔✔- SoDIMM
- MicroDIMM
Optical Drive - ✔✔- Used to read/write CDs and DVDs
Video Card - ✔✔An interface card installed in the computer to control visual output
on a monitor.
- Also known as graphics card
, Lithium Ion - ✔✔Common battery type in consumer electronics.
Central Processing Unit (CPU) - ✔✔Brain of the computer that performs instructions
defined by software.
CPU in laptop vs. CPU in desktop - ✔✔- Uses less power
- Tougher to upgrade
- Slower than desktop
LCD (liquid crystal display) - ✔✔LCDs use liquid crystals and electricity to produce
images on the screen.
OLED (organic light-emitting diode) - ✔✔A type of monitor that uses a thin LED layer
or film between two grids of electrodes and does not use back lighting.
LED backlighting - ✔✔- Used for LCD screens
- Uses DC voltage to light screen
CCFL (cold cathode fluorescent lamp) - ✔✔- Higher voltage
- Used in older systems
- Uses inverter to convert DC into AC power
WiFi Antenna - ✔✔- Wrapped high into display screen and around bezel
Digitizer - ✔✔A touchscreen technology that converts finger or stylus contact
