Computer Network Puzzle

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Across
  1. 4. A company that gives people internet access.
  2. 6. A global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
  3. 7. A combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line.
  4. 8. The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.
Down
  1. 1. A device which controls access to separately stored files, as part of a multi-user system.
  2. 2. a set of rules or procedures for transmitting data between electronic devices, such as computers.
  3. 3. Wi-Fi is a wireless networking technology that allows devices such as computers (laptops and desktops), mobile devices (smart phones and wearables), and other equipment (printers and video cameras) to interface with the Internet
  4. 5. group/system of interconnected people or things.