Chapter 1

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Across
  1. 1. The 800MHz refers to the speed of the system
  2. 5. a gap exists between the physical components and high-level language such as Java
  3. 7. 1 sextillion (prefixes)
  4. 8. Concerns itself with the interoperability of telecommunications systems, including data communications and telephony.
  5. 9. pico (prefixes)
  6. 11. is a program written in a low-level language that is implemented by the hardware.
  7. 13. control units consist of hardware that directly executes machine instructions.
  8. 15. Level 1 of the abstract levels of modern computing systems.
  9. 17. establishes standards for computer components, data representation, and signalling protocols, among many other things.
  10. 19. a type of non-permanent memory that can be accessed faster than RAM
  11. 20. allow movement of data to and from devices external to the computer.
Down
  1. 2. much faster than conventional (nonsyncronous)memory
  2. 3. Exa (prefixes)
  3. 4. other name for clock frequencies which is measured in cycle per second
  4. 6. 1 quadrillionth (prefixes)
  5. 10. The Third Generation of Computing.
  6. 12. Level 2 of the abstract levels of modern computing systems.
  7. 14. influential in formulating standards for computer hardware and software, including their methods of manufacture.
  8. 16. an interface between all the software that runs on the machine and the hardware that executes.
  9. 18. Level 6 of the abstract levels of modern computing systems.