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ComptiaA+ Mobile Devices


Master ComptiaA+ Mobile Devices with our interactive study cards designed for effective learning. These flashcards use proven spaced repetition techniques to help you memorize key concepts, definitions, and facts. Perfect for students, professionals, and lifelong learners seeking to improve knowledge retention and ace exams through active recall practice.


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What are the two main mobile operating systems?

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Answer:

Android and iOS

Who develops Android?

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Answer:

Google

Who develops iOS?

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Answer:

Apple

What is the difference between open source and closed source mobile OS?

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Answer:

Android is open source allowing customization iOS is closed source proprietary to Apple

What is a digitizer?

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Answer:

Touch-sensitive layer that converts touch input into digital signals

What is an LCD screen?

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Answer:

Liquid Crystal Display used in mobile device screens

What is an OLED screen?

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Answer:

Organic Light Emitting Diode display offering better contrast and colors than LCD

What is the advantage of OLED over LCD?

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Answer:

Better contrast deeper blacks lower power consumption and thinner displays

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What is a gyroscope in mobile devices?

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Answer:

Sensor that detects orientation and rotation of the device

What is an accelerometer?

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Answer:

Sensor that measures acceleration and tilt of the device

What is GPS?

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Answer:

Global Positioning System for determining device location using satellites

What is NFC?

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Answer:

Near Field Communication for short-range wireless data transfer typically under 4 inches

What is Bluetooth?

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Answer:

Wireless technology for short-range communication typically up to 30 feet

What is a mobile hotspot?

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Answer:

Feature that shares cellular data connection with other devices via WiFi

What is tethering?

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Answer:

Sharing mobile device's internet connection with other devices

What is airplane mode?

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Answer:

Setting that disables all wireless radios on the device

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What is mobile payment system?

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Answer:

Technology allowing payments using mobile devices like Apple Pay or Google Pay

What is biometric authentication?

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Answer:

Using physical characteristics like fingerprints or facial recognition for security

What is a SIM card?

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Answer:

Subscriber Identity Module that identifies the user on cellular networks

What is the difference between nano micro and standard SIM?

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Answer:

Size - nano is smallest micro is medium standard is largest

What is an eSIM?

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Answer:

Embedded SIM built into the device that can be programmed electronically

What is PRL?

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Answer:

Preferred Roaming List that tells device which towers to connect to

What is PRI?

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Answer:

Product Release Instructions containing carrier-specific settings

What is baseband update?

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Answer:

Firmware update for the cellular radio component

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What is IMEI?

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Answer:

International Mobile Equipment Identity unique identifier for mobile devices

What is IMSI?

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Answer:

International Mobile Subscriber Identity number stored on SIM card

What is MDM?

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Answer:

Mobile Device Management software for managing and securing mobile devices

What is MAM?

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Answer:

Mobile Application Management for controlling and securing mobile apps

What port does iPhone use for charging (older models)?

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Answer:

Lightning port

What port do modern Android devices typically use?

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Answer:

USB-C (USB Type-C)

What is wireless charging?

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Answer:

Charging using electromagnetic induction without physical cable connection

What standard is used for wireless charging?

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Answer:

Qi (pronounced chee) wireless charging standard

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What is a factory reset?

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Answer:

Restoring device to original factory settings erasing all data and settings

What should you do before factory reset?

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Answer:

Backup all important data and remove accounts

What is jailbreaking?

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Answer:

Removing restrictions on iOS devices to install unauthorized apps

What is rooting?

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Answer:

Gaining administrative access on Android devices

What are the risks of jailbreaking or rooting?

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Answer:

Voided warranty security vulnerabilities and potential instability

What is sideloading?

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Answer:

Installing apps from sources other than official app stores

What is the iOS app store called?

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Answer:

App Store

What is the Android app store called?

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Answer:

Google Play Store

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What is synchronization?

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Answer:

Process of keeping data consistent across multiple devices

What methods can sync mobile devices?

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Answer:

Cloud services USB connection and wireless sync

What is iCloud?

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Answer:

Apple's cloud storage and synchronization service

What is Google Drive?

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Answer:

Google's cloud storage service for Android devices

What is email configuration on mobile devices?

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Answer:

Setting up POP3 IMAP or Exchange email accounts

What is VPN on mobile devices?

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Answer:

Virtual Private Network for secure encrypted connections

What is remote wipe?

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Answer:

Ability to erase all data on lost or stolen device remotely

What is screen lock?

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Answer:

Security feature requiring authentication to unlock device

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What are common screen lock methods?

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Answer:

PIN pattern password fingerprint and facial recognition

What is two-factor authentication on mobile devices?

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Answer:

Additional security layer requiring second verification method

What is geotracking?

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Answer:

Using GPS to track device location for security or location services

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