The decimal system uses the number 9 as its base.

• True

• False

All digital computing devices perform operations in binary.

• True

• False

The base of a number system determines the total number of unique symbols used by that system.

• True

• False

In any number system, the position of a digit that represents part of the number has a weighted value associated with it.

• True

• False

Usually a group of 8 bits is a byte, and a group of one or more bytes is a word.

• True

• False

To express a number in binary requires fewer digits than in the decimal system.

• True

• False

In the Gray code there is a maximum of one bit change between two consecutive numbers.

• True

• False

Binary number systems use positive and negative symbols to represent the polarity of a number.

• True

• False

Normally, a binary 1 represents the presence of a signal, while a binary 0 represents the absence of a signal.

• True

• False

All inputs to an AND gate must be 1 to produce a 1 output.

• True

• False