code.org Unit 3 Intro to App Design

Front

In which of the following stages of the development process is a team MOST likely to interview a potential user of an app? investigating and reflecting, designing, prototyping, testing

Back

investigating and reflecting

Front

Which of the following best describes the purpose of a design specification? Tracking errors that arise through user testing , Documenting comments that will need to be added to a program, Describing the requirements for how a program will work or users will interact with it, Listing detailed questions that will be asked of users during interviews

Back

Describing the requirements for how a program will work or users will interact with it

Front

What will the "background-color" of the "topButton" be when the program is finished running?

Back

blue

Front

If the user does NOT click the button what color will "topButton" be when this program finishes running? Options: red, blue, green, orange

Back

blue

Front

The following program is run. Then the user clicks the "topButton" button ONCE. What will be displayed in the console? Options: cat bird dog, dog cat bird, cat dog bird, bird cat dog

Back

cat dog bird

Front

The following program is run. Then the user clicks the "bottomButton" ONCE and then clicks the "topButton" ONCE. What will be displayed in the console? Options: aaa bbb ccc, aaa ccc bbb, bbb aaa ccc, ccc bbb aaa

Back

ccc bbb aaa

Front

The following program is run. Then the user clicks the "bottomButton" TWO TIMES. What will be displayed in the console? Options: aaa bbb ccc ddd, bbb ddd ccc ccc, bbb ddd aaa aaa , bbb ccc ccc ddd

Back

bbb ddd ccc ccc

Front

Which line of code in this program is MOST likely to result in an error? Options: Line 1, Line 2, Line 3, Line 4

Back

Line 2

Front

Which of the following BEST describes the differences between sequential and event-driven programming? In sequential programming commands run in the order they are written. In event-driven programming some commands run in response to user interactions or other events.

Back

In sequential programming commands run in the order they are written. In event-driven programming some commands run in response to user interactions or other events.

Front

Which of the following is NOT a reason to include comments in programs:
Comments help the computer decide whether certain components of a program are important.
Comments help programmers debug issues in their own code.
Comments help document how code was written for other programmers to use.
Comments enable programmers to track their work throughout the development process.

Back

Comments help the computer decide whether certain components of a program are important.