DE_2020_Q01

An analog quantity is one having continuous values.

• True

• False

A digital quantity has no discrete values.

• True

• False

There are two digits in the binary system.

• True

• False

The term bit is short for binary digit.

• True

• False

In positive logic, a LOW level represents a binary 1.

• True

• False

A periodic wave repeats itself at a fixed interval.

• True

• False

A timing diagram shows the timing relationship of two or more digital waveforms.

• True

• False

A AND function is implemented by a logic circuit known as an inverter.

• True

• False

The time interval between the 50% points on the rising and falling edges is

• rise time

• fall time

• pulse width

• period

A pulse in a certain waveform has a frequency of 50 Hz. It repeats itself every

• 1 ms

• 20 ms

• 50 ms

• 100 ms