Computer Science- Test 1 Review 100% Correct

Which of the following is NOT an input device? - ANSWER-printer Which of the following are true about main and secondary memory? - ANSWER-Main memory is short term memory used by the CPU in processing commands, secondary memory is more permanent and used for storage. Which of the following controls computer memory? - ANSWER-operating system What is the correct order for the steps the compiler uses in translating code? - ANSWER-Check for mistakes, Translate commands to machine language, Run the commands What is input? - ANSWER-Putting information into the computer Which of the following is a legal variable name? - ANSWER-temperatureAM The two basic categories of variable data types are: - ANSWER-Strings and numbers What command is used to change a string into a number? - ANSWER-int What is output by the following? print ("Twinkle, ttwinkle, tlittle star") - ANSWER-Twinkle, twinkle, little star What is output by the following? print (type("95")) - ANSWER-<type 'str'> 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) - ANSWER-Values: 54 Consider the following code: x = "apple" y = x z = "banana" print (x + " " + y + "n" + z) What is output? - ANSWER-apple apple banana Which of the following correctly inputs two numbers and print the sum? - ANSWER-n1 = int(input("Enter a number: ")) n2 = int(input("Enter a number: ")) print("The answer is: " + str(n1+n2)) Consider the following code: x = input ("What year is it?") print x The value stored in x is: - ANSWER-a String Consider the following code: print ("computer" + "science") What is output? - ANSWER-computerscience What is one downside of converting analog information to a digital format? - ANSWER-Some information may be lost when it is converted. The symbol used to create a comment is: - ANSWER-# 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 - ANSWER-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.nn- Agatha Christie") When do we use numbers instead of strings? - ANSWER-When you need to do calculations Which of the following about computers is NOT true? - ANSWER-Computing devices translate digital to analog information in order to process the information.