Across
- 2. is a punctuation mark used to join words and to separate syllables of a single word
- 4. a -------is a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
- 5. a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.
- 7. a ----- is a representation of a person or scene in the form of a print or transparent slid
- 8. a device that uses either a system of wires along which electrical signals are sent or a system of radio signals to make it possible for you to speak to someone in another place
Down
- 1. distinct stage in a series of events is a ------
- 3. a group of words that is part of the ------
- 4. an optical instrument designed to make distant objects appear nearer,
- 6. a diagram showing the relation between variable quantities