AP CSP - code.org Unit 2

Which of these units of memory is the smallest?

• byte

• kilobyte

• bit

• megabyte

Which of these units of memory is the smallest?

• megabyte

• gigabyte

• terabyte

• petabyte

Which of these would MOST LIKELY be measured in megabytes (MB) if saved on your computer?

• An entire season of an HD TV Show

• A Microsoft Word essay

• A new Drake song

• Google Maps data for the entire world

How many bits are in a byte?

• 1

• 4

• 8

• ~1000 or 1024

How many bytes are in a kilobyte?

• 8

• 128

• 255

• ~1000 or 1024

How many digits are there in the decimal number system?

• 1

• 2

• 10

• 16

How many digits exist in the hexadecimal number system?

• 1

• 2

• 10

• 16

Removing all vowels from text, so that the original text is missing letters but is still decipherable, is an example of what type of compression?

• Lossless

• Lossy

Replacing repeated patterns with symbols from a dictionary, so that the original message can be 100% reconstructed, is an example of which type of compression?

• Lossless

• Lossy

What color model used to encode colors is shown here?

• CMYK

• Hex

• RGB

• HSV