CS 1 - Data Rep

Base 2 number system

• Denary

• Binary

• Hexadecimal

Base 16 number system

• Denary

• Binary

• Hexadecimal

Base 10 number system

• Denary

• Binary

• Hexadecimal

Convert C from base 16 to base 10

• 10

• 11

• 12

• 13

Convert 1010 from base 2 to base 10

• 10

• 11

• 12

• 13

Which of the following file types use lossy compression

• JPG

• MP3

• WAV

• GIF

• FLAC

Which of the following file types use lossless compression

• JPG

• MP3

• WAV

• GIF

• TIFF

Which compression format is better for a text file?

• Lossy

• Lossless

Which compression format is better for an HD video file?

• Lossy

• Lossless

Why is an image of a real-life subject not suitable for compression using run length encoding (RLE)?

• The image doesn't have enough different colours.

• The image is too large.

• The image has too much detail.

• The image is not a bitmap.