
Random Numbers + Review
Quiz
•
Computers
•
12th Grade
•
Medium
James Luong
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What numbers can generate?
rand()%5 + 1
1,2,3,4,5
0,1,2,3,4,5
1,2,3,4,5,6
0,1,2,3,4,5,6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To create a random number between 10 and 15 use...
rand()%6+10
rand()%10+5
rand()%15
rand()%15+10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a 6 sided die (rolls 1,2,3,4,5,6) you should use...
rand()%6
rand()%5 + 1
rand()%6 + 1
rand()%7 + 6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does = mean ?
It is the assignment operator.
It sets the variable on the left side equal to what is on the right side.
It is the equality operator. It is used to check if both sides are equal
Answer explanation
An easy way to remember is that 1 equal sign is 1-way. It sets the left side equal to the right side. 2 equal signs are 2-way, the check if BOTH are the same.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does == mean ?
It is the assignment operator.
It sets the variable on the left side equal to what is on the right side.
It is the equality operator. It is used to check if both sides are equal
Answer explanation
An easy way to remember is that 1 equal sign is 1-way. It sets the left side equal to the right side. 2 equal signs are 2-way, the check if BOTH are the same.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does this code always print "Oh no, your number was 1"
The assignment operator was used instead of the equality operator
The conditions for the if, else if, and else statements are incorrect
The random number was generated incorrectly
An uninitialized variable is used
Answer explanation
random = 1 in the condition resets the variable random to 1 regardless of whatever random number was generated
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This code should should run until a 1 is rolled but 2 of these errors block it from compiling
'else' without a previous 'if'
What is the issue?
There should be NO SEMICOLONS after a while loop or if statement
true should be capitalized in an infinite loop
The conditions are written incorrectly
The random numbers are generated incorrectly
Answer explanation
While most lines end in a semicolon, loops and conditions DO NOT end in a semicolon.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What values should be used for y & n in this code?
(The random numbers generated should cover ONLY the options in the if statements)
y = 3, n = 0
y = 2, n = 1
y = 3, n = 1
y = 2, n = 2
Answer explanation
There are 3 options so we should use %3.
The options start at 1 so we should use +1.
Similar Resources on Wayground
10 questions
Scratch
Quiz
•
KG - Professional Dev...
9 questions
Structured/Traditional SDM
Quiz
•
University
10 questions
Java: repetition control structure for & while
Quiz
•
10th - 12th Grade
11 questions
Tutorium 1 - Prog2
Quiz
•
University
10 questions
Review
Quiz
•
9th - 12th Grade
10 questions
QUIZ GAME
Quiz
•
University
10 questions
Inteligencia de Negocios
Quiz
•
University
10 questions
computer Networks
Quiz
•
University
Popular Resources on Wayground
20 questions
Halloween Trivia
Quiz
•
6th - 8th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
15 questions
Order of Operations
Quiz
•
5th Grade
20 questions
Halloween
Quiz
•
5th Grade
16 questions
Halloween
Quiz
•
3rd Grade
12 questions
It's The Great Pumpkin Charlie Brown
Quiz
•
1st - 5th Grade
20 questions
Possessive Nouns
Quiz
•
5th Grade
10 questions
Halloween Traditions and Origins
Interactive video
•
5th - 10th Grade
