Across
- 5. programs that are made freely available and may be redistributed and modified;
- 8. a data compression algorithm that allows the original data to be perfectly reconstructed from the compressed data.
- 10. a minute area of illumination on a display screen, one of many from which an image is composed.
- 12. error that is produced when a computer is used to perform real number calculations because many real numbers can not be represented exactly on a computer.
- 13. (short for binary digit) is the smallest unit of data in a computer. A bit has a single binary value, either 0 or 1
- 14. a unit of data that is eight binary digits long. Bytes are often used to represent a character such as a letter, number, space
- 18. a sequence of instructions or steps, written in a language that can be understood by a computer, that will be used by the computer to complete a task or solve
- 19. The background of a project, performs functions through scripting.
- 20. a data encoding and compression technique that deliberately discards some data in the compression process
- 21. a complete, well-defined sequence of steps for completing a task or solving a problem
- 23. error a mistake in the algorithm or program that causes it to behave incorrectly or unexpectedly
Down
- 1. an error that occurs when calculated data cannot fit within the designated field.
- 2. online research output free of any and all restrictions on access and free of many restrictions on use, such as copyright or license restrictions
- 3. Puzzle-piece shapes that are used to create code in Snap!.
- 4. occurs in a computer or similar device when a mathematical operation results in a number which is smaller than what the device is capable of storing.
- 6. American Standard Code for Information Interchange, a character encoding standard for electronic communication
- 7. a numbering scheme in which there are only two possible values for each digit: 0 and 1.
- 9. Different types of blocks linked together.
- 11. (red, green, and blue) refers to a system for representing the colors to be used on a computer display. Red, green, and blue can be combined in various proportions to obtain any color in the visible spectrum.
- 15. An object in Snap! which performs functions controlled by scripts.
- 16. the process of identifying and removing errors from computer hardware or software
- 17. hand simulating the execution of program code in order to manually verify that it works correctly
- 22. a problem solving approach (algorithm) to find a satisfactory solution where finding an optimal or exact solution is impractical or impossible.