Networks

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Across
  1. 2. (two words) computer data, information, or hardware devices that can be easily accessed from a remote computer through a local area network (LAN)
  2. 4. (two words) a computer networking technology used to build local area networks. It was introduced by IBM in 1984, and standardized in 1989 as IEEE 802.5.
  3. 7. the most basic networking device that connects multiple computers or other network devices
  4. 11. point in a network or diagram at which lines or pathways intersect or branch
  5. 12. (two words) the physical and logical design of the software, hardware, protocols, and media of the transmission of data
  6. 16. oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around 20 kHz to around 300 GHz
  7. 19. (two words) a printed circuit board that can add functionality to a computer system.
  8. 21. twisted pair cable = a ubiquitous type of copper cabling used in telephone wiring and local area networks (LANs)
  9. 24. radio-frequency identification which uses electromagnetic fields to automatically identify and track tags attached to objects.
  10. 25. (system) high-speed Internet access that is always on and faster than the traditional dial-up access
  11. 27. a core network is a part of a computer network which interconnects networks, providing a path for the exchange of information between different LANs or subnetworks
Down
  1. 1. (network)local area network (LAN) topology in which all devices: personal computers (PCs), workstations or other devices, are directly connected to a common central computer that is often referred to as a hub.
  2. 3. area network (SAN) = network of storage devices that can be accessed by multiple servers or computers, providing a shared pool of storage space.
  3. 5. twisted pair cable = special kind of copper telephone and local area network (LAN) wiring used in some business installations
  4. 6. to load an operating system into the computer's main memory or random access memory (RAM)
  5. 8. an electrical connector that connects three cables together
  6. 9. a passive coupling device used to join computer network cables
  7. 10. networking hardware used to connect one network device to other network devices or to connect two or more computers to share printers, scanners
  8. 13. (two words)connection or port located inside a computer on the motherboard or riser board that allows a computer hardware expansion card to be connected
  9. 14. a communications line or link designed to carry multiple signals simultaneously to provide network access between two points
  10. 15. (network) a network topology in which nodes are directly connected to a common half-duplex link called a bus.
  11. 17. (network) local area network topology in which the infrastructure nodes connect directly, dynamically and non-hierarchically to as many other nodes as possible and cooperate with one another to efficiently route data to and from clients
  12. 18. to change electronic information or signals that were stored, written, or sent in the form of a secret code back into a form that you can understand and use normally
  13. 20. (network) network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node – a ring
  14. 22. (system) the range of frequencies occupied by a signal that has not been modulated to higher frequencies
  15. 23. (cable)type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric
  16. 26. (two words) the component of a computer's internal hardware that is used for communicating over a network with another computer.