OCR GCSE Computer Science: Data Representation

What is the smallest unit of data in computing?

• Kilobyte

• Nibble

• Bit

• Byte

How many bits are there in a byte?

• 8

• 4

• 16

• 32

What is a nibble equivalent to?

• 2 bytes

• 4 bits

• 8 bits

• 1 byte

What does binary data represent in computers?

• Hexadecimal numbers

• Decimal numbers

• Analogue data

• None of the above

What device converts analogue signals to digital data?

• Analogue-to-Digital Converter

• Signal Processor

• Binary Converter

• Digital-to-Analogue Converter

How many bytes are in 1 kilobyte?

• 2048

• 500

• 1024

• 1000

What is the binary system also known as?

• Base 8

• Base 16

• Base 2

• Base 10

What is the unit used to measure large quantities of data, which is larger than a terabyte?

• Kilobyte

• Petabyte

• Megabyte

• Gigabyte

What is the primary form in which data is stored in a computer?

• Decimal

• Hexadecimal

• Binary

• Analogue

What is the term for a unit of data containing 8 bits?

• Nibble

• Byte

• Word

• Bit