digital technology terms

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Across
  1. 4. What is the program called, that feeds data to a printer using the correct control commandments?
  2. 5. (have to include the dash, in crossword) a facility allowing computers, smartphones, or other devices to connect to the internet or communicate with one another wirelessly, is called?
  3. 6. where do you get information from, and images etc.?
  4. 7. Units of information, that are collected through observation, are called?
  5. 8. what does URL stand for?
Down
  1. 1. what is it called when there is an arrangement to connect computers etc.?
  2. 2. drive what is the object called that stores data from a device that you can download the information/work that is stored on that object?
  3. 3. what is the security device that protects your private information and network, by blocking outsiders.
  4. 4. what is a picture element, zoomed to the smallest part of a graphic image called?