Use of Multimedia - Grade 11

What is a digital graphic?

• A drawing made on paper

• An image created or edited using computer software

• A file compressed using lossy compression

• A software application for graphic design

What is the smallest unit of a digital graphic?

• Pixel

• Resolution

• DPI

• Colour depth

Which statement about resolution is true?

• Higher resolution means lower quality

• Resolution is measured in pixels per inch (PPI)

• Resolution determines the file format of an image

• Resolution only applies to printed graphics

What is the purpose of compression in graphics?

• To increase the file size

• To reduce the file size for storage or transmission

• To improve the resolution of the graphic

• To change the colour model of the graphic

What is the difference between lossy and lossless compression?

• Lossy compression retains quality, lossless does not

• Lossy compression reduces file size but loses quality, lossless retains quality

• Lossy compression is used for print media, lossless for web media

• Lossy compression is only for raster graphics

What does the RGB model stand for?

• Red, Green, Black

• Red, Green, Blue

• Random, Grey, Black

• Raster, Gradient, Bitmap

Which colour model is used for colour printing?

• RGB

• DPI

• CMYK

• Grayscale

How many colours can a 24-bit graphic display?

• 16.7 million colours

• 256 colours

• 1.07 billion colours

• 64 colours

What is a characteristic of raster graphics?

• They are line-based and can be resized without losing quality

• They are pixel-based and lose quality when resized

• They are vector-based and use mathematical equations

• They cannot be saved in common formats like JPEG

Which of the following is an example of vector graphic software?

• GIMP

• Adobe Photoshop

• Adobe Illustrator

• Audacity