KHAN ACADEMY DIGITAL INFORMATION TEST 2024 ACTUAL QUESTIONS AND ANSWERS SOLVED CORRECTLY

KHAN ACADEMY DIGITAL INFORMATION TEST 2024 ACTUAL QUESTIONS AND ANSWERS SOLVED CORRECTLY Eino is composing a short film about climate change which he plans to display at a science museum and on his public YouTube channel. He searches a video streaming website and finds a video clip with a time lapse of melting ice caps that would be perfect for the film. Assuming US copyright laws, is Eino allowed to use the video clip for his film? He can use the video clip if it is explicitly licensed for re-use, like with a Creative Commons license, and he follows the conditions of that license. GIMP is an open source photo editing application that gives you a variety of ways to manipulate photos. Categorize each operation as either "lossless" or "lossy": Crop: Trims the sides of the image. - LOSSY Grayscale: Converts the photo to black & white (256 shades of grey). - LOSSY Invert: Inverts all the pixel colors and brightness values (i.e. black pixels become white pixels). - LOSSLESS Consider this sequence of bits: How many bytes long is that sequence of bits? 3 What is true about the process of converting analog data into digital data? The digital version is a representation of the analog data but cannot include all of the details. Modern car dashboards contain a number of visual indicators to help drivers be safer, more responsible drivers. Which of these indicators could be represented by a single bit? - The warning icon that indicates a seat belt isn't fastened - The "ECO" label that indicates the car is in fuel efficiency mode (versus standard fuel mode) You're visiting a Computer Science building at a college, and they've decided it'd be fun to display all the room numbers in binary. You're going to room 13. What binary number should you look for on the door of room 13? Type the binary number without any spaces: 1101 Run-length encoding (RLE) is a data compression technique that replaces "runs" (sequences of bits with the same value) with a number representing the length of the run. RLE can be used to compress color images, especially when the colors are from a limited palette. The following is a run-length encoding of an 8x8 icon with 3 colors. "R" signifies a red run, "G" signifies a green run, and "Y" signifies a yellow run. 3Y,2R,3Y 2Y,1R,2G,1R,2Y 1Y,1R,4G,1R,1Y 1R,6G,1R 1R,6G,1R 1Y,1R,4G,1R,1Y 2Y,1R,2G,1R,2Y 3Y,2R,3Y What does this icon look like?