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Image Storage

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Total cards: 8•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (8)

#1
Front (Question)

What are bitmap images?

Back (Answer)

• Made of pixels (single colour squares arranged on grid). • Each pixel is assigned a binary value which represents the colour of that pixel.

#2
Front (Question)

Quality of bitmap images:

Back (Answer)

• Depends on the total amount of pixels (resolution). • Scaling a bitmap image up results in a loss of quality. • Photos/screenshots are bitmap images.

#3
Front (Question)

Define resolution:

Back (Answer)

• The total amount of pixels.

#4
Front (Question)

Vector Images:

Back (Answer)

• Are drawn by the computer following precise mathematical instructions to create liens and objects. • Usually smaller in file size compared to big maps because each pixel in a bitmap is stored as an individual binary value.

#5
Front (Question)

Quality of vector images:

Back (Answer)

• Can be scaled up without any loss of quality. • Logos and Animations

#6
Front (Question)

File Size of a Bitmap calculation -

Back (Answer)

Resolution * Colour Depth

#7
Front (Question)

Metadata includes:

Back (Answer)

• Height in pixels • Width in pixels • Colour depth • Resolution • Geolocation • Date created • Last edited • File type • Author details.

#8
Front (Question)

Why is metadata important?

Back (Answer)

So the image can be displayed correctly.