Digital systems require that voltage levels change between high and low.

More Questions from Digital Concepts

• In a negative logic system, a high is represented by 0.
• Parallel transmission is faster than serial.
• Temperature variation is normally an analog quantity.
• PALs are relatively simple integrated circuit devices.
• The arithmetic/logic unit will send the results of its decisions to memory.
• An inverter performs a NOT operation.
• Four bits equal one byte.
• An invalid digital signal is used as a zero.
• A digital circuit will not obey a set of logic rules.
• In a positive logic system, the logic LOW could be between 0 V and 0.8 V.

Discussion & Comments