Intro to Computer Science Semester 1 Exam

Which of the following is NOT an input device?

• mouse

• printer

• scanner

• microphone

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

• Secondary memory is lost when the device's power is turned off.

• Main memory is short term memory used by the CPU in processing commands, secondary memory is more permanent and used for storage.

• Main memory is more permanent and used for storage, secondary memory is short term memory is used by the CPU in processing commands

• Main memory is used for storage

Which of the following controls computer memory?

• applications

• compiler

• operating system

• Python

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

• Translate commands to machine language, Check for mistakes, Run the commands

• Run the commands, Translate commands to machine language, Check for mistakes

• Check for mistakes, Translate commands to machine language, Run the commands

• Run the commands, Check for mistakes, Translate commands to machine language

What is input?

• Displaying information on the screen.

• Storing data in main memory.

• Putting information into the computer

• Converting code to machine language.

Which of the following is a legal variable name?

• 1test

• 52

• #data

• temperatureAM

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

• dec

• chr

• int

• str

What is output by the following?

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

• 
• Twinkle,

  twinkle,

  little star

• Twinkle, \ttwinkle, \tlittle star

• Twinkle, twinkle, little 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)

• Values: 9

• 9

• Values: 54

• 54

Consider the following code:

x = "apple"

y = x

z = "banana"

print(x + " " + y + "\n" + z)

What is output?

• 
• apple banana

• apple apple banana

• apple apple

  banana