Representing Data

Which coding language is represented by 0's or 1's?

• Hexadecimal

• ASCII

• Binary

• Python

Which character set contains over 65,000 characters?

• ASCII

• Extended ASCII

• Hexadecimal

• Unicode

To decrease the size of an audio file, which of these things could you do? [Select two]

• Decrease the bit depth

• Increase the bit depth

• Decrease the sample rate

• Increase the sample rate

How many pixels are in an image with a resolution of 12 x 12?

• 144

• 24

• 72

• 128

What is lossy compression?

• Compression that doesn't lose any data

• Compression that is very slow

• Compression that increases the file size

• Compression that loses some data

What's the bit depth for and image with 5 different colours?

• 5

• 3

• 2

• 8

Which colour is #ffff00 in hexadecimal?

• Magenta

• Green

• Yellow

• Cyan

What is metadata?

• Data about meta

• Meta in data

• Data about data

• Data in meta

What is f1 (hexadecimal) in binary?

• 11100101

• 11110001

• 11010101

• 00011111

How many bits is an image with a resolution of 6 x 6 and a bit depth of 3?

• 36

• 72

• 54

• 108