Consumer Electronics

Fill in the Blanks

1. A keyboard is merely a group of keyswitches each representing a digit or an __________.
2. There is a unique __________ for each key so that the processor can decode it and know how to handle the information.
3. Most four-function calculators have at least __________ operating registers.
4. Multiplication and division are performed by __________ additions and subtractions.
5. The numbers are shifted into and out of the register __________ at a time.
6. Luminous displays have the advantage of __________ power consumption.
7. The keyboard is obviously the __________ device.
8. The decimal __________ is the output.
9. The clock subsystem __________ all parts of the system at a constant frequency.

ANSWERS

Fill in the Blanks

1. operation

2. code

3. three ...