PLGC 07 Sept. 2023 Grade 6

What is the binary number 1101 in decimal?

• 5
• 13
• 7
• 9

How many bits are there in the binary number 1101?

• 16
• 2
• 4
• 8

What is a byte?

• A group of eight bits
• A group of four bits
• A group of sixteen bits
• A group of thirty-two bits

What is the easiest way to understand a binary number?

• Convert it into a decimal number
• Convert it into a hexadecimal number
• Convert it into a octal number
• Convert it into a binary number

What is another name for the binary system?

• Base 10
• Digital system
• Decimal system
• Base 2

How many digits does the binary number system use?

• 10
• 16
• 2
• 1

What is the meaning of the word 'bit'?

• A binary digit
• A group of eight bits
• A short binary number
• A decimal digit

What is the value of zero as a byte?

• 10000000
• 00000000
• 1010101
• 11111111

How many digits does the decimal number system use?

• 1
• 16
• 2
• 10

What is the meaning of base 2?

• A binary number system
• A octal number system
• A decimal number system
• A hexadecimal number system