computer science

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Across
  1. 1. the branch of optics that deals with the transmission of light through transparent fibers
  2. 3. the delay before a transfer of data begins following an instruction for its transfer
  3. 5. an instance of two or more records being assigned the same identifier or location in memory.
  4. 6. a range of frequencies within a given band, in particular that used for transmitting a signal
  5. 7. a system for connecting a number of computer systems to form a local network
  6. 9. a number which is given to a computer when it is connected to the internet
  7. 11. a block of data transmitted amongst a network
Down
  1. 2. the ratio of retransmitted packets to the total number of packets in a conversation
  2. 4. domain name system
  3. 5. an insulated wire(s) used for transmitting electricity
  4. 8. internet
  5. 10. a set of rules governing the exchange or transmission of data between devices