CS50 Week 0 Quiz

What does "10" represent in binary?

• 3

• 1

• 10

• 2

What is the decimal representation of the capital letter 'A' in ASCII?

• 65

• 1

• 100

• 97

What does RBB stand for?

• Red, Green, Blue

• Right, Go, Back

• Read, Generate, Build

• Real, Good, Best

What is an algorithm?

• A programming language

• An unsolvable problem

• A type of computer virus

• A step-by-step instruction for solving a problem

What is a variable in programming?

• A way to store music

• A type of Scratch sprite

• A storage location for numbers or text

• A special kind of loop

What does the 'repeat' block in Scratch do?

• It repeats a sound several times

• It causes the program to end

• It changes the color of the sprite

• It repeats certain blocks of code a specified number of times

How can sprites communicate in Scratch?

• By changing colors

• Using the 'repeat' block

• Using the 'broadcast' block

• Through direct contact on the screen

What is the purpose of creating custom blocks in Scratch?

• To increase the speed of the game

• To repeat actions without coding

• To simplify complex code into reusable pieces

• To make the game more colorful

What is Pseudocode?

• Graphical block coding

• Human-readable version of your code.

• Code written by lawyers

• A variation of Python

​ (a)   attempt to create a best guess of what words come after one another or alongside one another.

• Language models
• Algorithims
• Variables
• Escape sequences