Computing Number Systems

Open Ended

Describe the difference between the AND and OR binary operations.

Multiple Choice

Which of the following numbering systems is commonly used in computing for encryption and binary operations?

• Binary

• Octal

• Roman Numerals

• Fractional

Open Ended

How do computing devices store and relay information, and what are some common operations involved with those processes?

Multiple Choice

What is the decimal equivalent of the binary number 00101010?

• 42

• 58

• 34

• 21

Multiple Select

Which of the following are reasons why binary is foundational for computers?

• It only requires two digits

• It is easier for humans to understand

• It is mostly reserved for input and output

• It is the go-to format for web page formatting

Open Ended

Explain why hexadecimal is often used instead of binary in computing applications.

Multiple Select

Select all correct statements about the XOR operation.

• XOR outputs 1 if both inputs are 1.

• XOR outputs 0 if both inputs are 0.

• XOR outputs 1 if only one input is 1.

• XOR outputs 0 if both inputs are the same.

Multiple Choice

Which statement best describes the NOT binary operation?

• It outputs 1 only if both inputs are 1.

• It outputs the opposite of the input value.

• It outputs 1 if either input is 1.

• It outputs the same value as the input.

Open Ended

What is the importance of the XOR process in terms of cryptography?

Open Ended

What is one concept from today's lesson on computing number systems that you would like to learn more about or found most interesting?