Unit 1: Digital Information (APCSP '25-'26 code.org)

Convert the decimal 128 to binary:

• 10000000

• 01111110

• 10000001

• 11001100

Convert the decimal 65 to binary:

• 01100001

• 00100001

• 01000001

• 00100101

Convert the decimal 254 to binary:

• 11110000

• 11111100

• 11111111

• 11111110

Convert the binary number 00010001 to decimal:

• 17

• 27

• 37

• 47

Convert the binary number 11001100 to decimal:

• 224

• 134

• 104

• 204

Convert the binary number 00100100 to decimal:

• 26

• 36

• 46

• 56

A way of representing information using only two options

• Binary
• Multiple Choice
• ASCII
• API

A contraction of "Binary Digit". It is the single unit of information in a computer, typically represented as a 0 or 1.

• BYTE
• BIT
• Binary
• BOO

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128

• 1, 2, 4, 6, 8, 10, 12, 14, 16

• 1, 2, 3, 4, 5, 6, 7, 8

• 0, 1

How is our number system different from the binary system?

• Our number system is base-5; the binary system is base-3
• Our number system is base-10; the binary system is base-2
• Our number system is base-10; the binary system is base-1
• Our number system is base 100; the binary system is base-2

Tags

CCSS.5.NBT.A.2