February Review Crossword

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Across
  1. 1. <, >, <=, >=, ==, != indicate a Boolean expression
  2. 5. The process of generalizing concrete details,[1] such as attributes, away from the study of objects and systems to focus attention on details of greater importance.
  3. 11. a protocol for computers to request and share the pages that make up the world wide web on the Internet
  4. 13. Data about data
  5. 14. a group of computing devices and programs working together for a common purpose
  6. 15. A process for reducing the number of bits needed to represent something without losing any information. This process is reversible.
  7. 17. An individual value in a list that is assigned a unique index
  8. 18. A contraction of "Binary Digit"; the single unit of information in a computer, typically represented as a 0 or 1
  9. 19. a collection of program statements. Programs run (or “execute”) one command at a time.
  10. 23. A protocol for sending packets that does error-checking to ensure all packets are received and properly ordered
  11. 25. a group of interconnected computing devices capable of sending or receiving data.
Down
  1. 2. Error from attempting to represent a number that is too large.
  2. 3. A protocol for sending packets quickly with minimal error-checking and no resending of dropped packets
  3. 4. Can continue to function even in the event of individual component failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups.
  4. 6. Protocol a protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device
  5. 7. the maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second.
  6. 8. 8 bits
  7. 9. the system responsible for translating domain names like example.com into IP addresses
  8. 10. The unique number assigned to each device on the Internet.
  9. 12. holds one value at a time
  10. 16. A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples.
  11. 20. allows a program to change the value represented by a variable
  12. 21. Data with values that change continuously, or smoothly, over time. Some examples of analog data include music, colors of a painting, or position of a sprinter during a race.
  13. 22. a data type that is either true or false.
  14. 24. any data that are sent from a program to a device. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.