Data transmission

Edit Answers
1234567891011121314151617181920212223242526272829303132
Across
  1. 1. a transmission method where data is transmitted in both directions at the same time (4,6)
  2. 3. a period of time that is set and used to wait for an acknowledgement to be received
  3. 6. a type of encryption that uses two different keys for encryption and decryption
  4. 11. another type of connection that can be used to transmit data within a network
  5. 12. the actual data that the user is sending to the receiver
  6. 13. a type of error detection method that is used for data entry. A calculation is performed on the data entered to create a value. Checkdigit values are compared to see if the data entered is correct (5,5)
  7. 15. a type of error detection that uses acknowledgement and timeout to see if the data has arrived correctly after transmission (9,6,7)
  8. 17. the name given to data after transmission(6,4)
  9. 19. a type of error detection method that performs a calculation on the data to create a checksum value. Checksum values are compared after transmission to see if they match
  10. 22. the section of a packet that contains information about any error checking methods that maybe used
  11. 25. a message that is sent from one device to another to indicate whether data is received correctly
  12. 26. an industry standard that is used to transmit data
  13. 28. a transmission method where data is transmitted in a single direction only
  14. 29. a type of error detection method that adds an additional bit to each byte to create an odd or even sum (6,5)
  15. 30. the name given to data before encryption
  16. 32. the unique address that is given to a device when it is connected to a network (8,8,7)
Down
  1. 2. a type of algorithm that is used to encrypt data (10,3)
  2. 4. a type of transmission media that uses the usb method to transmit data (3,5)
  3. 5. a network component that examines a data packet to obtain its destination address and then forward the packet to this address
  4. 7. a socket that is part of a device or computer that enables you to insert a USB cable (3,4)
  5. 8. a type of encryption that uses the same key to encrypt and decrypt
  6. 9. a type of error detection method that sends a copy of the transmitted data back to the sender to be compared with the original data sent (4,5)
  7. 10. a method of transmitting data packets across a network. Each packet of data is able to take an individual pathway across the network (6,9)
  8. 14. disruption such as electromagnetism to data when its is transmitted
  9. 16. a section of a packet of data that contains information about the content of the packet and its destination (6,6)
  10. 18. a method for securing data for storage or transmission that scrambles it and makes it meaningless
  11. 20. a transmission method where data is transmitted in both directions but only one direction at a time (4,6)
  12. 21. the name a device that plugs into a usb port on a computer
  13. 23. a small unit of data
  14. 24. a collective name for using a USB cable plugged into a USB port to transfer data from one device to another. (3, 10)
  15. 27. a transmission method where data is sent one bit at a time down a single wire
  16. 30. a transmission method where data is sent multiple bits at a time down multiple wires
  17. 31. computers and devices that are joined together using cables or wireless technology