2B

Question 1

The first wireless mobile phone system was installed in commuter trains in Germany in the ________.

Answer 1

1920s

Question 2

For the purposes of this discussion, we will define “____ _____” as a client that can be held in the hand, employs a mobile OS, uses a touchscreen as the primary user interface, and uses a wireless network connection such as Wi-Fi, Bluetooth, or the cellular phone network.

Answer 2

mobile device

Question 3

Examples of mobile devices include…?

Answer 3

Smartphones, tablet computers, intermediate-sized devices (phablets), and digital book readers.

Question 4

iOS is a UNIX-like operating system for iPhone and iPod Touch mobile
devices manufactured by ______ _____________.

Answer 4

Apple Computers

Question 5

iOS is built on the free and open-source ________ ____ kernel which in-turn is based on the FreeBSD kernel, a popular UNIX clone.

Answer 5

Darwin XNU

Question 6

iOS code is _____-_______ with some open-source components

Answer 6

closed-source

Question 7

iOS is the _______ most popular mobile device operating system in the world after Android comprising about 1.4 billion phones worldwide in 2022.

Answer 7

second

Question 8

iPhone applications are available only through the Apple App Store, as Apple restricts third- party app stores or user-directed app installations—a business model sometimes referred to
as a “_____ ______”.

Answer 8

Walled Garden

Question 9

Android is a UNIX-like, open-source mobile device operating system
based on the ______ kernel.

Answer 9

Linux

Question 10

Android is marketed and maintained by _______ ____.

Answer 10

Google LLC

Question 11

While the source code of Android may be freely copied and distributed the term “_______” is trademarked by Google and must be licensed by vendors who wish to use the trademark.

Answer 11

Android

Question 12

Android was originally designed as an OS for ____ ________ but was soon adapted to the rapidly growing smart phone market.

Answer 12

digital cameras

Question 13

_____ _________ of a touch screen is the primary user interface for Android.

Answer 13

Direct manipulation

Question 14

In 2022 Android’s market share was about __% of all mobile phones worldwide comprising 3 billion users across 190 countries.

Answer 14

72%

Question 15

______ _______ _______ is the official source of applications for certified devices running Android OS and Chrome OS.

Answer 15

Google play store

Question 16

Android devices can also download apps from many different sources outside the official Google ecosystem. It’s relatively simple to add
unofficial third-party app stores to an Android device or even user-directed individual applications; a process referred to as “________”.

Answer 16

sideloading

Question 17

Mobile devices are a special security concern due to several issues, which are?

Answer 17

1. Due to their small size mobile phones are more frequently lost or stolen than larger devices.
2. Their inherent (and often automated) wireless connectivity makes them more prone to compromise.
3. Integrated radios (cellular network, WiFi, Bluetooth, NFC, and GPS) provide multiple avenues for both security and privacy compromise.
4. Many smartphone applications do not undergo rigorous testing & certification for possible security flaws.