Data Compression Quiz

What is the binary representation of the decimal number 10?

• a) 1010

• b) 1110

• c) 1001

• d) 1101

Which of the following is an example of lossy compression?

• a) ZIP

• b) PNG

• c) JPEG

• d) GIF

In lossless compression, what happens to the original data when it's compressed and then decompressed?

• a) It remains identical to the original data.

• b) It loses some data.

• c) It is significantly reduced in size.

• d) It becomes unreadable.

Which image file format is known for its lossless compression?

• a) JPEG

• b) BMP

• c) GIF

• d) TIFF

What is the main purpose of data compression?

• a) To make data larger

• b) To reduce redundancy and save storage space

• c) To make data easier to understand

• d) To increase data integrity

Which of the following is NOT a commonly used lossy image compression format?

• a) JPEG

• b) PNG

• c) WebP

• d) MPEG

What does "bit depth" refer to in data representation?

• a) The number of bits used to represent a single character

• b) The number of colors or shades that can be represented in an image

• c) The size of the image in pixels

• d) The number of pixels in an image

Which of the following is a common lossy audio compression format?

• a) WAV

• b) MP3

• c) FLAC

• d) AIFF

Which lossy compression format is widely used for streaming video on the internet?

• a) AVI

• b) MPEG

• c) GIF

• d) BMP

What does the term "entropy encoding" refer to in data compression?

• a) A technique that reduces data loss in lossy compression

• b) A method to encode data with maximum randomness

• c) A technique that reduces redundancy in data

• d) A method to increase file size