CS110 reading exam 3
Select the functions of a Digital Signal Processor
-analyzes signals received from the analog-digital converter to enhance audio quality -reduces unwanted noise -moderates call volume
With its iPhone, ________ dominates the U.S. smartphone market.
Apple
The six-step process analysts use to create data-driven decision making includes which three of the following?
Ask Analysis Prepare
The three-step data visualization process is comprised of which of the following?
Explore data sets for patterns. Create your visuals. Planning for visuals.
Select three critical factors to consider when determining the right data to select?
How will the data be collected? What types of data do you need to solve a specific problem? How much data should be collected?
Which of the following is a popular Microsoft data analytics program that offers business intelligence as well as data visualization?
Power BI
Most tablets and phones use ________ as their main storage device.
SSD
How can data visualizations establish trust and confidence when designed appropriately?
by telling a complex story quickly
A digital device that accepts input, processes and stores the input, and provides output is a ________.
computer
What are potential disadvantages of data visualization?
convey biased or inaccurate information or inaccurate information display correlations that do not accurately reflect causation
Before you can start tethering, verify that it's included in your cell phone's ________ plan.
data
The devices inside your phone that convert analog waves (such as sound waves) into digital signals that your phone can process are called ________.
digital-analog converters
Which three of the following are major varieties of data formats?
discrete data structured data unstructured data
Match the operating system with its characteristics.
iOS: used on iPhone 13 Pro Android OS: Used with Samsung phones and Google phones.
Adding software to a digital device, or adding hardware components to a digital device is called _____
installing
_____ is the key to purchasing a new computer.
research
If you're 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
Trends in data analytics include which three of the following?
scalable AI composable data data analytics as a core business function
Connecting your phone to your laptop to transfer photos, videos, or music files is referred to as ___
syncing
Examining your own requirements and preferences for the information you'll need to complete activities utilizing computer hardware and software is known as a self-assessment of information needs.
true
The amount of RAM a computer comes with or the ability to expand its RAM is an important consideration when buying a new device.
true
The processes of removing software from a computer is called uninstalling.
true
Windows OS is the most widely used platform in laptop and desktop computers?
true
In order to make understanding and interpretation of SQL queries easier, users have the ability to add comments. The symbol(s) that will tell SQL that an entry is a comment and should not be used in the query is(are) Mu
two dashes: "- -."
Because of the popularity and bandwidth demands of video streaming, ________ data plans became very expensive. Tough competition for customers forced cell phone service providers to increase available bandwidth, so now these data plans are fairly common.
unlimited
Some apps that use a surprising amount of data are those that include embedded ________
video
In a bar, line, or scatterplot graph, which axis is typically used to represent the values being compared?
y-axis