CompTIA A+ 220-1101 Core 1 – Mobile Devices (Domain 1) Complete Study Guide & Practice Questions (2026)

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.