Representing Images & Sound

What term is used to describe the smallest unit of a digital image?

• Bit

• Byte

• Pixel

• Sample

How do computers operate and communicate?

• Using decimal numbers

• Using binary

• Using analog signals

• Using human language

What must all data be represented by in a computer system?

• Strings of 0s only

• Strings of 1s and 0s

• Strings of alphanumeric characters

• Strings of special characters

How must all images and sound be represented for a computer to process them?

• In their original analog form

• As a combination of various colors and frequencies

• As combinations of 1s and 0s

• Through direct physical copies

What is the smallest unit of a digital image called?

• A byte

• A bit

• A pixel

• A vector

What does each pixel represent in a digital image?

• A single color

• A combination of several colors

• A vector graphic

• A binary code

When an image is zoomed in significantly, what is usually visible?

• Smooth lines and shapes

• Individual pixels as small squares

• Vector graphics

• High-resolution details

What are bitmap images made up of?

• Pixels

• Vectors

• Shapes

• Lines

How is each color in a bitmap image represented?

• By a unique shape

• By a unique sequence of bits

• By a specific size

• By a standard color code

What does metadata in an image provide?

• The image's artistic value

• The encryption of the image

• Instructions on how to decode the image data

• The password to access the image