Which of the following correctly inputs two numbers and print the sum?

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

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))

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

Nothing, there is an error - you cannot add words.

What is one downside of converting analog information to a digital format?

Some information may be lost when it is converted

When the power is turned off the information is lost

Limits the technology available

It takes up too much space in memory

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.

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")

quote = "\"To err is human,\"" print("I know there's a proverb which that says \t"+ quote + "\tbut") print("a human error is nothing to what a computer") print("can do if it tries.\t\t― Agatha Christie")

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")

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")

When do we use numbers instead of strings?

When you need to do calculations

To store data like phone numbers and street addresses

To hold both words and integers

Which of the following about computers is NOT true?

Computing devices translate digital to analog information in order to process the information.

Computing devices are electronic

Three of the following values could be stored as strings. When would you NOT use a string command?

To store values NOT used for calculations,

The following code is intended to find the average of three numbers entered from the keyboard. What is wrong with the code? print ("Enter 3 numbers: ") n1 = float(input ("Enter a number: ")) n2 = float(input ("Enter a number: ")) n3 = float(input ("Enter a number: ")) print (n1 + n2 + n3 /3)

The code is missing parentheses around n1 + n2 + n3 in the last line

n1, n2, and n3 should use the str command

Nothing, it correctly finds the average of the numbers

Nothing, it correctly finds the sum of the numbers.

Why can it be helpful to perform mathematical calculations using programming? Choose the best answer.

Because computers can quickly do calculations much larger and complex than humans.

Because the values stored in variables cannot change

Because computers are used to store digital data, not analog

What is output by the following? print ("she sells \nseashells") print ("by the seashore")

she sells seashells by the seashore

What is output by the following lines of code if we input the name "Sally"? n = input("What is your name?") print("Hello there " + n)

There is an error since the input command needs a str

Intro to Computer Science Semester 1 Exam

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12th Grade

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Practice Problem

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Hard

Kevin Walker

Used 25+ times

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What command is used to change a string into a number?

dec

chr

int

str

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Intro to Computer Science Semester 1 Exam

74 questions

Which of the following is NOT an input device?

Which of the following is true about main and secondary memory?

Which of the following controls computer memory?

What is the correct order for the steps the compiler uses in translating code?

What is input?

Which of the following is a legal variable name?

What command is used to change a string into a number?

What is output by the following?

print("Twinkle, \ttwinkle, \tlittle star")

What is output by the following? Assume the user enters 5 and 4
x = input("Enter a number: ")
y = input("Enter a number: ")
print("Values: " + x + y)

Consider the following code:

x = "apple"
y = x
z = "banana"
print(x + " " + y + "\n" + z)
What is output?

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Intro to Computer Science Semester 1 Exam

74 questions

Which of the following is NOT an input device?

Which of the following is true about main and secondary memory?

Which of the following controls computer memory?

What is the correct order for the steps the compiler uses in translating code?

What is input?

Which of the following is a legal variable name?

What command is used to change a string into a number?

What is output by the following?print("Twinkle, \ttwinkle, \tlittle star")

What is output by the following? Assume the user enters 5 and 4 x = input("Enter a number: ") y = input("Enter a number: ") print("Values: " + x + y)

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

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Discover more resources for Computers

What is output by the following?

print("Twinkle, \ttwinkle, \tlittle star")

What is output by the following? Assume the user enters 5 and 4
x = input("Enter a number: ")
y = input("Enter a number: ")
print("Values: " + x + y)

Consider the following code:

x = "apple"
y = x
z = "banana"
print(x + " " + y + "\n" + z)
What is output?