Lesson 11 - Chapter 1: Mobile Computing Devices

Question 1

What’s the easy way to tell a 2-in-1 convertible laptop PC from a tablet mobile device?

Answer 1

If the OS is designed specifically for mobile devices

Question 2

What OS does a true mobile device run?

Answer 2

Apple iOS or Google Android

(opposed to desktop OS such as Windows, macOS, ChromeOS, or some form of Linux distribution such as Ubuntu)

Question 3

What is a smartphone?

Answer 3

a hand-held computer that also functions as a phone

Question 4

What are tablets?

Answer 4

run the same/similar OS as smartphones and usually lack a cellular connection and rely on Wi-Fi

(basically like large smartphones without the phone)

Question 5

What is an e-reader?

Answer 5

a device specifically designed for reading electronic books

(longer battery life, screens designed for comfortable reading in different lighting conditions)

Question 6

What 2 purposes do wearable devices have?

Answer 6

1. collecting more information about our lives
2. provide interfaces that integrate data/tech with daily life

Question 7

Do most smart watches have their own cellular connection?

Answer 7

No, they usually rely on being paired with a smartphone and shares the data

Question 8

Fitness monitors are not always ___. They can also be what 2 things?

Answer 8

watches.

They can be fobs that clip to your body (just count steps) or fitness wristbands (many features)

Question 9

What is system on a chip (SoC)?

Answer 9

combines a CPU, GPU and other support logic onto a single silicon die

Question 10

What does ARM stand for?

Answer 10

Advanced RISC machine

Question 11

What type of CPU are used in mobile devices (tablets, etc)?

Answer 11

ARM chips

Question 12

What is ARM? (learned in Prep 1) accepts what?

Answer 12

Advanced RISC (reduced information set computer) Machine is a CPU that accepts a reduced set of commands in exchange for faster and more efficient processing

Question 13

ARM chips are used on what kind of devices?

Answer 13

on devices that need to do a few things extremely well (rather than a lot of things moderately well)

Question 14

What type of CPUs are used in laptops and desktops?

Answer 14

CISC CPUs (complex information set computer)

Question 15

What are 2 differences between mobile devices and desktops/laptops?

Answer 15

1. User-replaceable parts are not offered
2. Can’t upgrade mobile devices

Question 16

Burst shots are good for what type of subject?

Answer 16

a fast-moving subject and action shots

Question 17

Mobile devices commonly have more than one ___ to enable noise cancelling routines

Answer 17

more than one microphone

(but not traditional portables)

Question 18

What’s a digitizer?

Answer 18

the component that uses a grid of sensors to provide the touch part of a touchscreen

Question 19

What are 3 ways to track a mobile device’s location?

Answer 19

1. GPS
2. Cellular
3. Wi-Fi

Question 20

What tech does the free iPhone feature Find my iPhone use?

Answer 20

Uses GPS

Question 21

What is geotracking?

Answer 21

when mobile OSs track and record your location for an extended amount of time

Question 22

What is an accelerometer?

Answer 22

measures movement in space (is the phone in motion)

Question 23

What is a gyroscope?

Answer 23

notices whether the device is oriented up, down or sideways (screen rotation uses this)