11 J277 1.2 Units of data

What is the smallest unit of data storage in a computer system?

• Byte

• Bit

• Nibble

• Kilobyte

How many bits are there in a byte?

• 4

• 8

• 16

• 32

What is a nibble in terms of bits?

• 2 bits

• 4 bits

• 8 bits

• 16 bits

Why do computers use binary to store data?

• It is easier to understand

• It is cheaper to manufacture electronic components with just two states

• It is more secure

• It is faster to process

How many bytes are there in a kilobyte according to the binary system?

• 1000

• 1024

• 2048

• 512

What is the binary value of a megabyte?

• 1,000,000 bytes

• 1,024,000 bytes

• 1,048,576 bytes

• 1,000,576 bytes

What is the decimal value of a megabyte?

• 1,000,000 bytes

• 1,024,000 bytes

• 1,048,576 bytes

• 1,000,576 bytes

Which of the following is a correct sequence of data units from smallest to largest?

• kilo, mega, giga, tera, peta

• kilo, giga, mega, tera, peta

• mega, kilo, giga, tera, peta

• kilo, mega, tera, giga, peta

How many kilobytes are in a gigabyte?

• 1,024

• 10,000

• 1,000

• 1,048,576

If a file is 500GB, how many megabytes is it?

• 500,000 MB

• 512,000 MB

• 524,288 MB

• 500,000,000 MB