### A good answer might be:

No. Any type of symbolic data can be represented using binary, not just numbers. At the electronic level, everything is a binary pattern (which some people call a "number"), so the statement is sort-of correct.

# End of this chapter.

You may wish to review the following terms. Click on the hypertext phrase to go the page where the term was discussed.

- What "binary" means.
- What a "bit" is.
- The advantages of using binary in a computer.
- What "analog" means.
- How thresholds are used.
- The master clock of a computer.
- Memory contents as bit patterns.

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