Binary to Decimal
Decimal to Binary
MIT App Inventor Knowledge
AP CSP Terms
Encryption and Decryption
100

Convert the binary number 1000 to decimal.

8

100

Convert the number 2 to binary.

0000 0010

100

Who invented MIT App Inventor?

Hal Abelson

100

What is iteration?

The repetition of part of an algorithm until a condition is met or for a specified number of times. 

100

Encrypt "hello" using a simple substitution cipher with the keyword "simple."

BLGGK

200

Convert the binary number 1101 to decimal.

13

200

Convert the number 10 to binary.

1010

200

What 2 screens does App Inventor have when you open it?

Designer and Blocks Editor

200

How does a linear search work?

Checks every element in the list sequentially until the desired element is found or all elements have been searched.

200

Encrypt "code" using a simple substitution cipher with the keyword "game."

MOEB

300

Convert 0001 0011 to decimal notation.

19

300

Convert the number 38 to binary.

0010 0110

300

What color is the "call text to speech" block?

Purple

300

What is cipher text?

The encrypted message that is formed when an encryption algorithm is applied to plain text. 

300

Decrypt "NMAUHMU" using a simple substitution cipher with the keyword "computer."

Science

400

Convert the binary number 1111 0101 to decimal. 

245

400

Convert the number 93 to binary.

0101 1101

400

How do you run an app created on MIT App Inventor on your phone?

AI Companion

400

What are matrices?

Array of values arranged in rows and columns

400

Encrypt "photosynthesis" using a simple substitution cipher with the keyword "orange."

MCLTLSYKTCGSDS

500

Convert the binary number 1100 0001 to decimal.

193

500

Convert the number 147 to binary.

1001 0011

500

What are the different button shape options on MIT App Inventor? *Other than default

Rounded, Rectangular, Oval

500

What is a compiler?

A program that translates human-readable instructions into strings of 1s and 0s that is readable to the computer's processor.

500

Decrypt "CLCJYSDS" using a simple substitution cipher with the keyword "cipher."

Analysis