Units and Numbers

What is the smallest unit of data in a computer?

• Bit

• Byte

• Kilobyte

• Nibble

How many bits are in a byte?

• 8

• 4

• 1000

• 16

What is a group of four bits called?

• Byte

• Nibble

• Megabyte

• Kilobyte

How many bytes are in a kilobyte?

• 1 billion

• 100

• 1000

• 1 million

What does a closed switch in a computer represent?

• A bit

• A byte

• A one

• A zero

How many bytes are there in 3 kilobytes?

• 300

• 3000

• 3 million

• 3 billion

What is needed to convert from a larger data unit to a smaller one?

• Divide

• Add

• Multiply

• Subtract

What is the binary system based on?

• Numbers 0 and 10

• Numbers 1 and 2

• Numbers 0 and 1

• Numbers 1 and 10

How many kilobytes are in a megabyte?

• 1 million

• 100

• 1000

• 10,000

What represents a binary zero?

• A closed switch

• A byte

• A bit

• An open switch