Crossword

123456
Across
  1. 3. an input device for submitting verbal, numeric and other types of commands
  2. 4. the clarity and sharpness of text and images on a screen
  3. 6. a dedicated video game device that utilizes either a built-in screen or a connected TV or computer display
Down
  1. 1. A program that controls and facilitates the operation of devices, such as computer peripherals
  2. 2. A function or ability of a device, application etc
  3. 5. a specific software development environment created to facilitate and streamline video game creation