AP Computer Science Principles Unit 2 Complete Study Guide With Guaranteed Answers.
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Course
AP CSP
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AP CSP
a problem solving approach (algorithm) to find a satisfactory solution where finding an optimal or exact solution is impractical or impossible. - correct answer heuristic
What is a heuristic? - correct answer a problem solving approach (algorithm) to find a satisfactory solution where ...
AP Computer Science Principles Unit 2
a problem solving approach (algorithm) to find a satisfactory solution where finding an optimal or exact solution is impractical or impossible. - correct answer heuristic
What is a heuristic? - correct answer a problem solving approach (algorithm) to find a satisfactory solution where finding an optimal or exact solution is impractical or impossible.
What kind of compression allows for the original data to be perfectly reconstructed from the compressed data. - correct answer lossless
What is the name for the fundamental unit of a digital image, typically a tiny square or dot which contains a single point of color of a larger image. - correct answer pixel
What is the term for Data that describes other data. For example, a digital image may include metadata that describe the size of the image, number of colors, or resolution. - correct answer metadata
What is the term for A type of data used for graphics or pictures. - correct answer image
How many total bits bits would it take to represent the smallest possible image (i.e. an image with one pixel)? - correct answer 18
How many total bits would there be in the the largest possible image we could make with the pixelation widget (assuming 1 bit per pixel)? - correct answer 255 by 255 by 8
What are the dimensions (width and height) of the largest image we can make with the pixelation widget? - correct answer 255 by 255
A number system consisting of 16 distinct symbols — 0-9 and A-F — which can occur in each place value.
- correct answer Hexadecimal number system How many bytes (or bits) are required to encode an image that is 25 pixels wide and 50 pixels tall, if you encode each pixel with 3 bytes (24 bits) of RGB data. - correct answer 3753
What is the name for A compression scheme in which "useless" or less-than-totally-necessary information is thrown out in order to reduce the size of the data. The eliminated data is unrecoverable. -
correct answer lossy
What is the speed of MP3 audio per minute? - correct answer 1MB
what would facebook's data be represented in - correct answer petabytes
what is a terabyte - correct answer 10^12 bytes
What is a petabyte? - correct answer 10^15 bytes
What is an exabyte? - correct answer 10^18 bytes
What is the approximate size of a .jpg? - correct answer 1 MB
What is the approximate size of a pdf file? - correct answer 3 to 5 mb
What is the size of a movie file such as .mp4 or .mov? - correct answer 1 gb
What are .gifs measured in? - correct answer kb
what are pages of plain texts measured in? - correct answer kb
What is the size of one million characters? - correct answer 1 MB
How big is a nibble? - correct answer 4 bits
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