Warm Up Data Representation

Which is the smallest form of data?

• Bit

• Byte

• Megabyte

• Gigabyte

How many Bits are in a Byte

• 2

• 4

• 10

• 8

These make up your computer screen and contain red, green and blue to make an image. 

• RGB
• CMYK
• Pixels
• Halftone

Computer colors are

• additive colors because the computer must produce light to see the colors.

• subtractive colors because the monitor takes away all light except the color to be shown.

• divided color because the foreground color is divided by the background color.

• multiplied color because it takes 3 rgb pixels to make a color.

How do you make the color white?

• rgb(255, 0, 0)

• rgb(255, 255, 255)

• rgb(0, 0, 0)

How do you make the color black?

• rgb(255, 0, 0)

• rgb(255, 255, 255)

• rgb(0, 0, 0)

What is compression?

• To convert one file to another
• To reduce the size of data to save space
• To minimize the time taken for a file to be downloaded
• To compress something by pressing it very hard

Data compression usually works by..

• Finding repeating patterns.
• Deleting random bits data

Has this been compressed using Lossy or Lossless?

• Lossy
• Lossless

Computer users see images, text and graphics that have been converted from binary code

• True
• False