85. Data Rep - Compression Techniques Quiz

What is run length encoding typically used to compress?

• Text-based data

• Audio files

• Bitmap images

• Video files

How many colors can be encoded in a bitmap image with a color depth of 1 bit?

• 8

• 1

• 4

• 2

What does the number 22 represent in the frequency data pairs for a bitmap image?

• Compression ratio

• Number of pixels

• Color of pixels

• Total image size

In run length encoding, what does the number 0 represent in the frequency data pairs?

• Compression ratio

• Total image size

• Color of pixels

• Number of pixels

What is the purpose of frequency data pairs in run length encoding?

• To increase image size

• To decrease image quality

• To compress bitmap images

• To add noise to the image

How many bits are required to store a bitmap image with 100 pixels using run length encoding?

• 100 bits

• 200 bits

• 50 bits

• 75 bits

What is the color depth required to represent a bitmap image with 8 different colors?

• 8 bits

• 4 bits

• 2 bits

• 1 bit

What is the assumption made about the colors in the bitmap image when using run length encoding?

• Black and white pixels

• Red and blue pixels

• Cyan and magenta pixels

• Green and yellow pixels

What is the potential saving in bits when using frequency data pairs for larger images?

• Moderate saving

• Small saving

• No saving

• Substantial saving

What is the main difference between Huffman coding and run length encoding?

• Encoding speed

• Compression technique

• Color depth requirement

• Usage for text-based data