Unit 7 Assessment Questions

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1) A start up video streaming service experienced a major outage in its first month. This event made the management think about possible future problems. It analyzed high traffic areas, susceptible points, and network throughput, etc. The results of this type of analysis would be known as:

Data

Information

Knowledge

Wisdom

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2) True or False: a megabyte is bigger than a gigabyte.

true

false

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3) True or False: a exabyte is smaller than a yottabyte.

true

false

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4) Select the largest unit of measure.

Exabyte

Gigabyte

Kilobyte

Megabyte

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5) Select the smallest unit of measure.

Petabyte

Terabyte

Yottabyte

Zettabyte

Clear selection

6) A collection of data sets so large and complex that it becomes difficult to process using on-hand database management tools or traditional data processing applications is known as:

A database

Big data

Exponential data

Gigantic data

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7) Which of these options displays the correct order from the base to the top of the data pyramid?

Data, information, knowledge, wisdom

Data, information, wisdom, knowledge

Information, data, knowledge, wisdom

Information, knowledge, wisdom, data

Clear selection

8) As part of your research, you are gathering raw facts, signals, and observations. These are examples of:

Data

Information

Knowledge

Wisdom

Clear selection

9) You have taken the facts, signals, and observations that you have gathered to form conclusions. This is an example of:

Data

Information

Knowledge

Wisdom

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10) You have drawn the conclusion based on looking at facts that you have gathered that “50% of the class is male and 50% is female.” This an example of:

Data

Information

Knowledge

Wisdom

Clear selection

11) True or False: A byte is made up of 2 bits, 0 and 1.

true

false

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12) The basic unit of memory is:

A bit

A byte

binary

RAM

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13) Which of the following has the units of memory in order from smallest to largest?

Gigabyte, petabyte, terabyte, megabyte

Kilobyte, megabyte, petabyte, terabyte

Megabyte, gigabyte, petabyte, kilobyte

Gigabyte, terabyte, petabyte, exabyte

Clear selection

14) True or False: Data must fit into main memory to use traditional searching and sorting algorithms because it uses a parallel processing algorithm.

true

false

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15) What is the programming model for processing large data sets called?

MapReduce

MergeSort

QuickSort

Radix Sort

Clear selection

16) Which of these statements regarding the MapReduce programming model or processing large data sets are true?

Both statements I and II are true.

Neither statement I nor II are true.

Only statement I is true.

Only statement II is true.

Clear selection

17) The process of discovering patterns in large data sets is called:

Data Mining

MapReduce

MergeSort

Radix Sort

Clear selection

18) Which of the following is NOT a positive impact of Big Data?

Creating models

Helping address problems

Identifying trends in data

Less privacy and anonymity

Clear selection

19) Which of the following is not a possible disadvantage of Big Data?

Identifying trends in data

Loss of privacy

Organizations have too much information about people

Security of information

Clear selection

20) Which of the following are examples of data visualizations? (choose all that apply)

Charts

Functions

Graphs

Maps

21) What software is frequently used in organizing data is arranged in rows and columns and is optimized for using formulas and creating charts and graphs?

MIT App Inventor

Database

Spreadsheet

Word Processing

Clear selection

22) The intersection of a row and a column in a spreadsheet is called a:

Cell

Formula

Function

Graph

Clear selection

23) You have a large set of data about sales at Amazon. The data set includes the date and time of day purchases were made, the location of the buyer, the amount spent, and whether Amazon Prime was used. What conclusion could NOT be drawn based on the information in the data set only.

Does the weather impact shopping?

What time of day is the most popular?

Which time of year has the least sales?

Where do most buyers live?

Clear selection

24) Which of the following is typically NOT an acceptable data source in MIT App Inventor?

Manually constructing lists of data

The user keying in a long list of data each time they need it

Uploading a data file into the media section

Using a web API to read in the data

Clear selection

25) You want to add real-time weather to an app you are creating. This software-to-software interface that enables two applications to exchange data is called an:

API

JSON

P2P

Plug-in

Clear selection

26) Files used to provide data within an app frequently use which of the following extensions? (Choose all that apply)

.csv

.geojson

.json

.doc

27) To say that an operation is asynchronous means:

that it may be completed immediately.

that it may not be completed immediately.

that it must be performed on a clock.

that it cannot be performed on a clock.

Clear selection

28) Transferring data by sending a telegram to a friend is classified as ________.

Asynchronous

Synchronous

Clear selection

29) Having a video conversation with a friend via FaceTime, Messenger, or Skype is classified as _________.

Asynchronous

Synchronous

Clear selection

30) Which of the following are true regarding a local database such as TinyDB? (Choose all that apply)

Access to the data is synchronous

Allows an app to persist data

Data is stored on the device

Data is stored on the Internet

31) Which of the following are true regarding a web-based database such as CloudDB? (Choose all that apply)

Access to the data is asynchronous

Access to the data is synchronous

Allows an app to persist data

Data is stored on the device

Data is stored on the Internet

32) Which of the following is an example of synchronous communication?

Instagram

SnapChat

Talking on the phone

Texting

Clear selection

33) True or False: Synchronous requests for data, such as when using CloudDB, may take an unpredictable time to receive a response.

true

false

Clear selection

34) True or False: An advantage of using a cloud database component in your app is that data can be shared among multiple users and devices running the same app.

true

false

Clear selection

35) True or False: Getting a computer to do complex tasks that humans find easy is a description of Artificial Intelligence.

true

false

Clear selection

36) Computers have difficulty with tasks such as walking, seeing, and understanding speech. What is the process that AI researchers are using to help computers “learn” to do these things called?

Artificial intelligence

Machine Learning

Programming

Training

Clear selection

37) After execution of this code, what is the value of fruit?

apple banana grapes kiwi orange

apple banana peach kiwi orange

apple banana peach grapes kiwi orange

apple banana grapes kiwi orange peach

Clear selection

38) Which segment of code could be placed in the loop to print out the item in a list that has the highest (maximum) value?

IF (item > 99) max ← item

IF (item < 99) max ← item

IF (item > max) max ← item

IF (item < max) max ← item

Clear selection

39) The purpose of parallel lists is:

To have 2 lists with the same data

To have 2 lists with related data with shared indices

To have 2 lists rather than one really long array

To have 2 lists one with the original data and one with the altered data

Clear selection

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