Number System Grade 08

Convert CACA from hex to binary

Convert 11100101101 from binary to decimal

Meaning of abbreviation RGB is...

• Red, Green, Black

• Red, Gold, Blue

• Rose, Gold, Black

• Red, Green, Blue

Weighting factors of hexadecimal number system are powers of 10 (10⁰, 10¹, 10²,...)

• True

• False

• 111

• 011

• 101

• 110

What are the symbols used at the start of a hexadecimal color code?

• # and *

• & and #

• % and @

• &H and #

Each number system consists of...

• a base

• a unit and a number

• a unit, number and a base/ radix

• numbers

Choose the right result of following binary addition: 1001+1101

• 10110

• 11011

• 11111

• 10001

Convert D1E from hex to dec

What is the number system the computer can understand?

• Decimal

• Binary

• Hexadecimal

• Octal