crossword ppuzle

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Across
  1. 2. A step-by-step mathematical procedure or logic flow used for calculation and data processing
  2. 4. A networking device that forwards data packets between computer networks
  3. 7. An input device that detects physical changes in the environment and sends the data to a processor
  4. 8. A passive two-terminal component that limits or regulates the flow of electrical current
Down
  1. 1. The "brain" of a computer, integrating the functions of a CPU on a single integrated circuit
  2. 3. A hardware device that modulates and demodulates analog carrier signals to encode and decode digital information
  3. 5. The component in a system that stores data and instructions for processing
  4. 6. A semiconductor light source that emits light when current flows through it
  5. 9. An electromagnetic or electrical current used to carry data from one system or network to another