Intro to CS Midterm Exam

Front

Which of the following will correctly output:
I know there's a proverb which that says
"To err is human,"
but
a human error is nothing to what a computer
can do if it tries.
― Agatha Christie
Note: This is a direct quote from Agatha Christie's novel, Hallowe'en Party. The grammar shown here is as it is written in the novel.

Back

quote = "\"To err is human,\""
print("I know there's a proverb which that says \n" + quote + "\nbut")
print("a human error is nothing to what a computer")
print("can do if it tries.\n\n- Agatha Christie")

Front

The symbol used to create a comment is:

Back

#

Front

Consider the following code:
print("computer" + "science")
What is output?

Back

computerscience

Front

Consider the following code:
x = input("What year is it?")
print(x)
The value stored in x is:

Back

a String

Front

Which of the following correctly inputs two numbers and print the sum? Options: n1 = input("Enter a number: ") n2 = input("Enter a number: ") print("The answer is: " + int(n1+n2)), n1 = input("Enter a number: ") n2 = input("Enter a number: ") print("The answer is: " + str(n1+n2)), n1 = int(input("Enter a number: ")) n2 = int(input("Enter a number: ")) print("The answer is: " + int(n1+n2)), n1 = int(input("Enter a number: ")) n2 = int(input("Enter a number: ")) print("The answer is: " + str(n1+n2))

Back

n1 = int(input("Enter a number: ")) n2 = int(input("Enter a number: ")) print("The answer is: " + str(n1+n2))

Front

Consider the following code:
x = "apple"
y = x
z = "banana"
print(x + " " + y + "\n" + z)
What is output?

Back

apple apple
banana

Front

What happens if the user types in A when executing the code: x = int(input("Enter a number: "))
print (x)?

Back

This would cause an error: an integer variable cannot store a string.

Front

Consider the following code:
a = 3
b = 2
print (a ** b)
What is output?

Back

9

Front

To generate numbers between and including -10 to 10 you would use: random.random()*20 + -10, randint(-10, 10), random.random(-10, 10), random.randint(-10, 10)

Back

random.randint(-10, 10)

Front

What is the output of the following code: x = 9, y = -2, z = 2, print (x + y * z)?

Back

5