CT crossword

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Across
  1. 2. width to height in a display
  2. 3. commonly used when connecting wireless devices like mice, trackpads, headphones, and other devices.
  3. 7. wireless networking standard supporting speeds up to about 4 Mbps with a direct line of sight for communications.
  4. 8. number of times the image in a video stream changes per second
Down
  1. 1. a common peripheral used with a point of sale workstation.
  2. 4. IEEE 802.11 standard
  3. 5. a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4 cm of each other.
  4. 6. rate vertical scan frequency of a monitor