
Computer Science Review
Authored by Charles Martinez
Computers
9th - 12th Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A large office building has an elevator that carries occupants between any of the building's 10 floors. The basement is referred to as "Level 0" while the topmost floor is "Level 9." The software for the elevator uses a variable, called level, to track the floor number of the elevator's current position. When a person presses a button requesting the elevator to rise to a higher floor, the above code is executed.
What is displayed if the elevator is currently on the 7th floor (level = 7) and the person on the elevator presses a button that says to go up 3 floors (floors = 3)?
Level 7 Level 8 Level 9
Level 8 Level 9 Cannot go up. Level 9
Level 8 Level 9 Level 10
Cannot go up.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Consider the above code segments designed to find the area of a triangle (A = 1/2 bh).
Which of the following statements about the above programs is true?
Both programs will work as intended, but Program B is more readable.
Program A will work as intended, but Program B will not work as intended.
Program B will work as intended, but Program A will not work as intended.
Neither program will work as intended.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the above code segment, what would be displayed if age were initialized with a value of 18?
group 1
group 2
group 1 group 2
Nothing will be displayed
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following would be the most appropriate name for a variable?
variable1
t
amountOfTimeRemainingInTheGame
time_left
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
While developing a program, you find a similar project that someone has created and posted online. It contains a number of elements (e.g., images, music, code segments, etc.) that you would like to integrate into your own project. Under what conditions may you reuse these elements in your work?
You may never reuse someone else’s work.
You may reuse any elements that are posted publicly online as long as credit is given to their creator.
You may only reuse elements for which the original owner has granted a license to reuse, such as the Creative Commons Share Alike license.
You may always reuse anything that is posted publicly or privately online.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Consider the above code.
Assuming that before this code is run, x = 1. What would be displayed at the end?
210
16
8
1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What condition will make the above an infinite loop?
y = -108
y≠-3
y ≥ 8
y < -53
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