S3 Binary and ASCII

What does the number '1' represent in a binary system used in devices?

• Off

• On

• Standby

• Reset

What does the number '0' represent in a binary system used in devices?

• On

• Pause

• Off

• Start

What is the term for a system that uses only the numbers 1 and 0?

• Decimal

• Hexadecimal

• Binary

• Octal

What is the base 10 system also known as?

• Binary system

• Hexadecimal system

• Denary system

• Octal system

How many digits are there in the denary system?

• 2

• 8

• 10

• 16

What digits are used in the binary system?

• 0 and 1

• 0 and 9

• 1 and 2

• 8 and 9

What is each figure in the binary system known as?

• Byte

• Bit

• Digit

• Nibble

What is the place value of the digit '3' in the number 173?

• Hundreds

• Tens

• Units

• Thousands

What is the denary (decimal) equivalent of the binary number 1010 1101?

• 173

• 165

• 180

• 150

What is the denary (decimal) equivalent of the binary number 01001011?

• 75

• 101

• 83

• 92