Computer Systems & Networks by Alex :)

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Across
  1. 3. A person who tries to illegally access/attack a computer network or device
  2. 5. What is the name of a small range of WiFi Frequencies (Hint: BBC1 is a...)
  3. 6. Non-volatile memory that stores start up instructions and the BIOS
  4. 7. Data storage inside the CPU that's much faster than RAM that stores frequently used data
  5. 8. A specialized circuit for video and image processing
Down
  1. 1. High speed, volatile memory that stores information on programs, files and data while in use
  2. 2. Name the network attack which uses software to crack a password through trial and error (2 words in one)
  3. 4. For helpful revision, layers can be organized into a delicious rainbow...
  4. 5. A part of the CPU that processes data independently of the rest
  5. 7. Fetches, decodes and executes the instructions issued by programs