5.8 MC Answers and Review

⛔STOP ⛔ Before you look at the answers, make sure you gave this practice quiz a try so you can assess your understanding of the concepts covered in Big Idea 5. Click here for the practice questions: AP CS: Principles Big Idea 5 Multiple Choice Questions.

Facts about the test: The AP CS: Principles exam has 70 multiple choice questions and you will be given 2 hours (120 minutes) to complete the section. That means it should take you around 10 minutes to complete 6 questions. The following questions were not written by College Board and, although they cover information outlined in the AP Computer Science Principles Course and Exam Description, the formatting on the exam may be different.

A. The acceptance of fault (errors) between calculations

C. the amount of tolerance that will be allowed between programmer experiences

D. the difference between significant digits & the answer calculated in a program

B. write the Interface in Spanish & Chinese (most common worldwide)

C. use an Application Programming Interface to work with a translation site as needed

D. give a link to an online dictionary

A. help banks decrease the % of customers who default on loans

B. helping medical professionals use patterns in health issues to benefit standard of life for their patients

C. help companies make a replacement schedule for parts & equipment to decrease the amount of downtime for repairs

A. to confirm patterns from small data sets

C. to help predict problems in the metadata

D. to obtain economies of scale with hardware needed to store the data based on Moore's law

Watch this guide about using programs with data!

A. kind of like a vaccine for a computer

B. instructions for the user to follow in the case of a vius on their machine

D. software that never needs to be updated... it catches problems on the computer

A. bots search for malware-detecting software that is out of date & prevents the uploading of new versions without the owner knowing

C. firewalls are deactivated so malware can enter the network

D. sensitive data is not encrypted before being transmitted over the Internet, making it vulnerable to interception

Read this guide on fault tolerance!

B. Automated Program Interface

C. Automatic Problem Interaction

D. Application Primary Interaction

A. notify IETF, the organization that maintains names on the internet

B. the organization can start using the new name immediately since only the top-level domain changed

D. post the new name on the organization's website up to 10 days prior to the switchover

Watch this Big Idea 5 Overview!

A. it is risky for decision making if the data is interpreted incorrectly

B. it tells companies what customers want to see on the website, whether true or not

C. it makes train staff on mining strategies necessary

Watch this guide about using programs with data!

B. people are modifying other people's creations & claiming the Creative Commons licensing allows it

C. people are being discovered for their music because others are posting it to music-sharing sites

D. artists are adding their music to streaming services with Creative Commons licensing

A. controlled intellectual property sharing

B. licensing stipulations that allow incorporating music into other artforms

C. music & movie downloads & streaming services not charging enough for their services

Read this guide on legal and ethical concerns of the internet!

B. a value to represent if a switch is on or off

C. the MOD value when dividing a whole number by 2

D. the outcome of a boolean calculation

B. it allows programmers to share their code via the API for others to test

C. it provides algorithms for difficult code to be reviewed

D. it provides documentation programmers can use for their programs rather than creating their own

Read this guide on APIs!

A. it is shorter than other ciphers

B. it uses an asymmetric key, making it easier to decrypt

C. it used a symmetric key, making it harder to decrypt

Read this guide on safe computing!

A. storing information "up in the clouds" so everyone can access information

C. local servers are used but can communicate as needed

D. personal devices must be carried around to access information

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