Digital Data Quiz

Describe how a number is converted to a binary pattern for storage in a computer.

• By using a hexadecimal system

• By using a series of 0s and 1s

• By using a decimal system

• By using a character encoding system

Answer explanation

By using a series of 0s and 1s

What is the smallest unit of data in a computer?

• Byte

• Nibble

• Bit

• Kilobyte

Answer explanation

The smallest unit of data in a computer is a Bit, which represents a binary digit (0 or 1). It is the fundamental building block of digital information.

How many bits are there in a nibble?

• 2

• 4

• 8

• 16

Answer explanation

A nibble consists of 4 bits, so the correct answer is 4 bits.

How many bits are there in a byte?

• 4

• 8

• 16

• 32

Answer explanation

A byte consists of 8 bits. Therefore, the correct answer is 8 bits in a byte.

How many bytes are there in a kilobyte (KB)?

• 1000

• 1024

• 2048

• 4096

Answer explanation

A kilobyte (KB) consists of 1024 bytes, not 1000. Therefore, the correct answer is 1024.

How many kilobytes are there in a megabyte (MB)?

• 1000

• 1024

• 2048

• 4096

Answer explanation

There are 1024 kilobytes in a megabyte (MB), making 1024 the correct choice.

How many megabytes are there in a gigabyte (GB)?

• 1000

• 1024

• 2048

• 4096

Answer explanation

In data storage, 1 gigabyte (GB) is equal to 1024 megabytes (MB), so the correct answer is 1024.

How many gigabytes are there in a terabyte (TB)?

• 1000

• 1024

• 2048

• 4096

Answer explanation

In a terabyte (TB), there are 1024 gigabytes (GB). This is because 1 TB is equal to 1024 GB in terms of digital storage capacity.

What does ASCII stand for?

• American Standard Code for Information Interchange

• American Standard Code for Internet Interchange

• American Standard Code for International Interchange

• American Standard Code for Internal Interchange

Answer explanation

ASCII stands for American Standard Code for Information Interchange, making it the correct choice.

How many bits are used in 7-bit ASCII?

• 6

• 7

• 8

• 9

Answer explanation

7 bits are used in 7-bit ASCII, as each character is represented by 7 bits in the ASCII encoding system.