8th Grade Unit 4 Lesson 02 Quiz

A bit is a whole number represented by 1s and 0s.

• TRUE
• FALSE

Mario is writing Python code with a decision-making tree. What type of value would he use to express “True” and “False”?

• binary
• Boolean
• float
• ASCII

Mario uses 110010 to represent the decimal number 50. This is an example of a _____.

• binary number
• bit
• float integer
• Boolean value

How many individual bits does it take to write the letter J in binary?

• four
• seven
• one
• 10

Maria is learning about binary numbers. She leaves her mom an “encoded” shopping list that says she needs “101” notebooks and a bag of “1111” apples for her field trip. What does she really need?

• four notebooks and 10 apples
• five notebooks and 15 apples
• 101 notebooks and 1,111 apples
• 25 notebooks and eight apples

The number 35,674 is an example of a _____ integer.

• long
• float
• short
• Boolean

What do you call code that has been converted from binary into letters and symbols that computers can “read”?

• Python
• Boolean
• ASCII
• Java

What is the best way to describe a bit?

• A bit is a number represented by 1s and 0s.
• A bit is any positive or whole number.
• A bit is a binary number represented by 0 or 1.
• A bit is a number that uses a decimal.

What is TRUE about a long integer?

• It uses more than 32 bits.
• It has a maximum of 17 bits.
• It has a decimal.
• It uses only 1s and 0s.

What kind of number uses a decimal point?

• binary
• float
• long integer
• Boolean