CS-Python Fundamentals Mid-Term Exam (December)

Not equal to

!=

Consider the following code: x = 12 y = 2 print( x % y) What is output?

0

Consider the following code: x = 8 x = x * 2 print(x) What is output?

16

What is output? print(8 % 3)

2

What is output? What is output? x = 10 y = -4 z = 2 print(x + y * z)

2

What is output? x = 10 x = x * 3 print(x)

30

What is output? x = -2 y = 3 print(x + y * 2)

4

Which of the following numbers might this code generate?

8 and 11

Less than.

<

Less than or equal

<=

To test if x is less than or equal to y: if (x _____ Y): print("Great!")

<=

Equal

==

Why do we use loops?

Because of efficiency.

What does the following loop do? x = 1 while (x < 11): x = x + 1 print(x)

Print the numbers from 2 to 11, including 2 and 11.

Consider the following code: for x in (7, 10): print(x) What is wrong with the program?

The first line should be for x in range(7, 10):

What is wrong with: x = 1 while (x < 20): print(x)

The loop will not stop since x never changes

Which of the following is NOT true about "while" loops?

Used to create functions

fitMedia() is an example of what?

a function

What best defines an algorithm?

a set of precise steps used to perform a task, typically on a computer

Both conditions must be true.

and

What does an effect allow you to do in EarSketch?

change the qualities of sound within a project

Within a loop, sum = sum + x is used to _______________.

count how many times a value is entered.

Which of the following lines shows the correct way to use the fitMedia() function?

fitMedia(RD_UK_HOUSE_ACOUSTICGUITAR_1, 1, 1, 5)

To input a decimal you need the ________________ function.

float

Consider the following code: if(90 <= x <= 100) How should it be rewritten?

if (90 <= x and x <= 100):

Write the code to test if value1 and value2 are NOT the same.

if (value1 != value2)

Write the code to test if x is greater than or equal to 2.

if (x >= 2):

active/main memory

if the computer loses power, all information here is lost

"While" loops should always be:

indented

output

information the computer sends to the user

programs

instructions that tell the computer what to do; they are written in code

What data type should the following be: A telephone number?

integer

What data type should the following be: Today's high temperature?

integer

What data type should the following be: Your history class's number grade?

integer

One or both conditions must be true.

or

Information sent to a function is a ________________.

parameter

secondary memory

permanent computer memory

Which of the following is NOT used to describe rhythm?

pitch

_______ is a quality of sound that determines how high or low it sounds.

pitch

software

programs that run on the computer

Which range function will print all even numbers between 12 and 85?

range(12, 84, 2)

What does setTempo() allow you to do in EarSketch?

specify the tempo of a song

A(n) __________ is a group of characters such as letters, numbers, and special digits.

string

What data type should the following be: Your English class's letter grade?

string

CPU

the brains of the computer

hardware

the physical computer

complier

translates user commands to the computer's language

Which of the following is NOT true about algorithms?

use natural language

Consider the following code: num = int(input("Enter a number: ")) x = 9 sum = 0 while (x < 19): x = x + 1 num = int(input("Enter a number: ")) sum = sum + num print(str(x) + ": " + str(sun) + " Total: " + str(sum)) Which of the following is a loop-control variable?

x

Which of the following correctly stores 45 squared in the variable x?

x = 45 ** 2