ITEC Chapter 9 - Android
Which of the following are the characteristics of SMS?
- Allows for short texts, typically up to 160 characters - Stands for Short Message Service
iOS
- For iPhones and iPods - Most popular mobile OS in the United States. - Focuses on Apple apps such as iTunes and FaceTime
Most new cell phones today come with approximately _______ of RAM.
1-6 GB
Greater Capacity
Allows for more high-demand devices to connect over single network. This means more people can transmit data at the same time.
Which of the following is an advantage of using a cellular network instead of a Wi-Fi network when connecting a smartphone to the Internet?
Cellular networks are accessible from more places
Kevin wants to download some apps to his smartphone, but he has a limited data plan and is concerned about overage charges. "Don't worry, " you tell him. "Just connect to a(n) _____.
Wi-Fi signal
Which of the following are the characteristics of the iOS?
- Developed by Apple for Apple products - Used on iPhones and iPods - Comes with Siri, iTunes, FaceTime, etc.
Android OS
- Linux-based, open source - Most popular mobile OS worldwide - Relies heavily on third-party apps
Which of the following are the functions of a digital signal processor?
- Reduces unwanted noise - Moderates call volume - Analyzes signals received from the analog-digital converter to enhance audio quality
Examples of Internet of Things (IoT) devices include which of the following? More than one answer may be selected.
- Smart Speakers - Home Security Cameras - Smart TVs
After verifying that your data plan includes tethering, the first step in creating a hotspot with your Android phone is to click the __ icon.
Settings
Apps that use the most data are those that ___.
Stream video
Short Message Service (SMS)
The texting protocol that allows you to send a text of up to 160 characters
To download an app onto your Android-based smartphone or tablet, you first click on ___ .
the Play Store icon
Android OS
the most popular smartphone OS worldwide, and second only to the iOS in the United States. Multiple choice questions.
Because there is a risk of _____ or loss, it is good to have an app such as "Where's My Droid?" or "Find My iPhone" installed.
theft
For which of the following reasons you might want to add a microSD card to your smartphone?
- You want to save more music files. - You want to save more image files.
Approximately how many watts of microwaves do cell phone emit?
0-1 watt
A smartphone emits approximately
0-1 watt of microwaves.
Place the steps in order to create a Wi-Fi hotspot with your Android phone.
1. verify that your data plan allows tethering 2. tap "settings" app 3. under "wireless/networks" tap "tethering" 4. turn on the portable WiFi hotspot and note the password 5. Open the wifi on your laptop or other device and select your phone's hotpot 6. enter the password
Streaming video apps, such as Hulu or Netflix, can use as much as _____.
2.5 GB
The next generation of mobile connectivity that will provide faster data transfer speeds and enhanced connection reliability. Is called ____. It is the fifth-generation wireless technology for digital cellular networks that began wide deployment in 2019.
5G
Select what's true about how 5G connectivity will support IoT. More than one answer may be selected
5G connectivity will allow for lower latency. 5G connectivity will allow for faster connection speeds, greater data capacity, and lower latency. 5G connectivity will allow for greater data capacity.
Select the potential applications/benefits of 5G networks. More than one answer may be selected.
5G networks may eventually allow for autonomous vehicles to safely interact with each other and their environment. 5G connectivity has the potential to create truly connected cities. 5G connectivity will greatly improve what businesses and individuals can do with connected devices.
Downloading an app from the Play Store might require ___ because it is a Google product.
Gmail Login
A Gmail login is required to download apps from the Play Store. This is because Gmail and Chrome are owned by _____.
Latisha loves instant messaging because she has friends who live overseas. Unlike texting, which requires a cellular connection, all Katie needs to IM is an app and a(n) ___ connection
Internet
What is required to send an instant message from a mobile device?
Internet Connection
Faster Connection/Data Transfer Speeds
Networks will support 500 mbps to 10 Gbps of download speed. Speeds vary by location and carrier. At the top end, that's over 100 times the speed of 4G.
Lower Latency
On 4G networks, the time that passes when a device is asked to perform a task to when it is completed is between 40-50 milliseconds. It is estimated 5G can reduce this by 75%.
If you are in an area where your home network has no cell coverage, you may need to use the cellular network of a different provider. This is called __.
Roaming
The cell phone market is dominated by two major manufacturers, Apple that makes the iPhone, and ____ that makes the Galaxy.
Samsung
Connecting two computers so that files such as MPEGs, JPEGs, and MP4s can be moved directly from one computer to the other is called:
Syncing
Digital Signal
The processor within your smartphone that enhances the call quality
Which of the following are the methods of connecting a smartphone to the Internet?
Using a cellular provider data plan Connecting to an available Wi-Fi
Cell towers' radio frequencies are divided between seven roughly___ cells
hexagonal
Third-party apps must be reviewed and approved by Apple before being available for the _____.
iOS
While many third-party apps are available through its App Store, apps for __ must first be tested and approved before they are made available for downloading.
iPhones
In the broadest sense, the _____ of Things refers to everything connected to the Internet. It allows billions of devices to be connected to the Internet and is increasingly being used to define objects connected to the Internet that talk to each other including sensors, wearable technology, and smartphones.
internet
Because of the large infrastructure cost of building antennae and mobile switching stations, as well as leasing the rights to use radio frequencies, only ____ companies can compete nationally as cell phone providers.
large
After your phone's analog-digital converter chip changes the sound of your voice to a digital signal, the signal is enhanced by a digital signal _____.
processor
Sometimes called "cell phone carriers" or "mobile network operators," cell phone ____ sell subscriptions for cellular service.
providers
If you are in an area where your home network does not have any cell coverage, but you are still able to make a call, you are probably:
roaming
Adding a microSD card to your smartphone increases your phone's ____ capacity.
storage
The cell tower's base transmission station is connected to a mobile ____ station.
switching
Creating a Wi-Fi hotspot with your cell phone is referred to as __.
tethering
Because of the popularity and bandwidth demands of video streaming from sites such as Hulu, YouTube, and Netflix, _____ data plans are being offered by most cell phone providers.
unlimited
Because smartphones are computers and have many of the same security risks as computers, it's a good idea to consider placing __ software on your smartphone.
Anit Virus
One method of uninstalling an app from an Android device is to first tap the Settings Icon and then open the __ menu.
Application Manager
One method of uninstalling an app from a Droid is to click the Setting icon and then navigate to the ___ menu.
Apps and Notifications
