Term 2 Recap

In the Hexadecimal system, what number does the letter 'A' represent?

• 9

• 10

• 11

• 12

In the conversion table, what is the binary value for the hexadecimal digit 'B'?

• 1011

• 1100

• 1110

• 1001

What is the role of logic gates in computing?

• To enhance graphics

• To process binary data

• To increase storage

• To manage network connections

What is the output of a NOT gate if the input is 0?

• 0

• 1

• 2

• -1

Which of the following best describes the NOT gate's function?

• It multiplies the input by 2.

• It inverts the input. (Does the opposite)

• It adds 1 to the input.

• It subtracts 1 from the input.

How do we convert from bits to bytes?

• Multiply by 8

• Divide by 8

• Add 8

• Subtract 8

How many bytes are in a megabyte (MB)?

• 1,000 bytes

• 10,000 bytes

• 100,000 bytes

• 1,000,000 bytes

What does PB stand for?

• Petabits

• Petabytes

• Peta-binary

• Peta-bits

What is the equivalent of 1,000,000,000 bytes?

• 1 KB

• 1 MB

• 1 GB

• 1 TB

What does Unicode aim to provide?

• To use other languages apart from English, Emoji's etc

• A limited set of characters for specific languages

• A code system for only English characters

• A system for numerical data only