Number Systems and Data Representation Quiz

What is the most commonly used number system by people?

• Binary

• Hexadecimal

• Denary/Decimal

• Octal

Which number system contains only two symbols, 0 and 1?

• Denary

• Binary

• Hexadecimal

• Octal

How many symbols does the hexadecimal system use?

• 8

• 10

• 12

• 16

What is a character set?

• A collection of images

• A table of data linking characters to numbers

• A set of colors

• A group of binary codes

What does a pixel represent?

• A sound sample

• A single dot of color in an image

• A binary number

• A character in a text

What is metadata?

• Data about data

• A type of binary code

• A color depth measure

• A sound frequency

What does color depth refer to?

• The number of colors in an image

• The amount of bits for colors in an image

• The resolution of an image

• The size of an image file

How is resolution measured in computing terms?

• Bits per second

• Dots per inch (dpi)

• Pixels per inch

• Colors per inch

What does sample rate measure?

• The number of colors in an image

• The number of audio samples per second

• The number of pixels in an image

• The number of bits in a byte

What is bit depth?

• The number of bits to store an audio sample

• The number of pixels in an image

• The number of colors in a palette

• The number of characters in a text