AP CSP Final Review

This number system has a symbol to represent each of the values 0-15?

• Binary Number System
• Decimal Number System
• Hexadecimal Number System
• Octal Number System

Which of the following is TRUE regarding lossless and lossy compressions?

• An example of lossless compression is a .jpg file

• Lossless uses inexact approximations while lossy does not·

• You can completely reconstruct lossless but not lossy compression ·

• You can completely reconstruct lossy but not lossless compression

What color is 00FF00?

• Green
• Red
• Blue
• Yellow

What is lossless compression?   

• A) Shrinking data and losing some of it
• B) Making the code less efficient
• C) Shrinking data without losing any of it
•  D) Expanding a set of data via aggregation

Which of the following image files is compressed and lossless? 

• A. BMP
• B. JPEG
• C. PNG
• D. GIF

Which compression technique allows for the full reconstruction of the original data?

• Lossy Compression
• Multi-Band Compression
• Lossless Compression
• Parallel Compression

All of the following would be shown in metadata except:

• Width and Height of an Image

• Type of Compression

• Number of Colors

• Resolution

How many bits are in a byte?

• 2
• 8
• 16
• 128

Which of the following is FALSE regarding file sizes?

• 1 Megabyte = 1,000 kilobytes

• 1 Petabyte = 1,000 Terabytes

• 1 Megabyte = 1,000 bytes

• 1 Terabyte = 1,000 gigabytes

Which of the following is FALSE regarding types of files and the file sizes they are measured in?

• A .jpg (JPEG) file is typically measured in megabytes

• The entire amount of information transferred over the entire Internet is typically measured in terabytes

• A .txt file is typically measured in kilobytes

• An .mov file is typically measured in gigabytes