Code.org CS Principles Unit 1 Assessment_2

Front

The binary number system uses ___ numbers.

Back

two

Front

What numbers are used in the binary number system?

Back

0-1

Front

What is the word 'bit' short for?

Back

Binary digit

Front

When combining bits, bytes are created.

Back

True

Front

We can think of binary like a _______.

Back

light switch

Front

What number system do we use to count in the real world?

Back

Decimal

Front

Sending text messages is an example of _________. This is when you may not know how something works, but you understand the end result. Another example is flipping on the light switch.

Back

Abstraction

Front

Recognizing a problem that needs to be solved, or recognizing something that needs improving and then building a tool to solve it

Back

Technological Innovation

Front

A way of representing information using only two options.

Back

Binary

Front

A process for reducing the number of bits needed to represent something in which some information is lost or thrown away. This process is NOT reversible.

Back

Lossy Compression