CompTIA A+ 220-1101 Core 1 – Mobile Devices (Domain 1) Complete
Study Guide & Practice Questions (2026)
Lithium-Ion (Lipo) and Lithium Ion Polymer – Answer ✅️
✅-️No Memory effect
-Charging the battery diminishes capacity
What is the most used component of a laptop? – Answer ✅️
✅Laptop
️
Keyboard
Is the laptop keyboard easy to replace? – Answer ✅️
✅Yes,
️ it can be easy to
replace.
What is typically required to replace a laptop keyboard? – Answer ✅️
✅A
️few
screws and a single ribbon cable.
Is replacing a laptop keyboard always simple? – Answer ✅️
✅No,
️ it may not
always be simple.
Small Outline Dual In-line Memory Module (SODIMM) – Answer ✅️
✅Memory
️
used in laptops and mobile devices
No upgrade available
Magnetic Disk – Answer ✅️
✅Traditional
️ spinning drive platters
2.5 form factors (3.5 inch for desktops)
SSD (solid state drive) – Answer ✅️
✅All
️ memory
Silent, fast access time, less latency
2.5 inch form factors
, M.2 – Answer ✅️
✅Smaller
️ form factor
No SATA or power cables
Easy to install and replace
802.11 – Answer ✅️
✅Local
️ area network (LAN)
High speed
Internet access
Bluetooth – Answer ✅️
✅Personal
️ area network (PAN)
Short range
Connect peripherals and other devises
Near Field Communication (NFC) – Answer ✅️ ✅a️very short-range wireless
connectivity technology designed for cell phones and credit cards
4 centimeters or less
Liquid Crystal Display (LCD) – Answer ✅️
✅Light
️ shines through liquid
crystals
What are some LCD advantages? – Answer ✅️
✅Light
️ weight
Relatively low power
Relatively inexpensive
What are some LCD disadvantages? – Answer ✅️
✅Black
️ levels are a
challenge
Requires separate backlight
- Florescent, LED, etc.
Study Guide & Practice Questions (2026)
Lithium-Ion (Lipo) and Lithium Ion Polymer – Answer ✅️
✅-️No Memory effect
-Charging the battery diminishes capacity
What is the most used component of a laptop? – Answer ✅️
✅Laptop
️
Keyboard
Is the laptop keyboard easy to replace? – Answer ✅️
✅Yes,
️ it can be easy to
replace.
What is typically required to replace a laptop keyboard? – Answer ✅️
✅A
️few
screws and a single ribbon cable.
Is replacing a laptop keyboard always simple? – Answer ✅️
✅No,
️ it may not
always be simple.
Small Outline Dual In-line Memory Module (SODIMM) – Answer ✅️
✅Memory
️
used in laptops and mobile devices
No upgrade available
Magnetic Disk – Answer ✅️
✅Traditional
️ spinning drive platters
2.5 form factors (3.5 inch for desktops)
SSD (solid state drive) – Answer ✅️
✅All
️ memory
Silent, fast access time, less latency
2.5 inch form factors
, M.2 – Answer ✅️
✅Smaller
️ form factor
No SATA or power cables
Easy to install and replace
802.11 – Answer ✅️
✅Local
️ area network (LAN)
High speed
Internet access
Bluetooth – Answer ✅️
✅Personal
️ area network (PAN)
Short range
Connect peripherals and other devises
Near Field Communication (NFC) – Answer ✅️ ✅a️very short-range wireless
connectivity technology designed for cell phones and credit cards
4 centimeters or less
Liquid Crystal Display (LCD) – Answer ✅️
✅Light
️ shines through liquid
crystals
What are some LCD advantages? – Answer ✅️
✅Light
️ weight
Relatively low power
Relatively inexpensive
What are some LCD disadvantages? – Answer ✅️
✅Black
️ levels are a
challenge
Requires separate backlight
- Florescent, LED, etc.
