____ signals like those shown in the accompanying figure are individual electrical pulses that a computer uses to represent data.
A) Analog
B) Bi-directional
C) Digital
D) Modem

Question

____ signals like those shown in the accompanying figure are individual electrical pulses that a computer uses to represent data.
A) Analog 
B) Bi-directional 
C) Digital 
D) Modem

Quizplus · Accepted Answer

The signals shown in the accompanying figure are individual and discrete, representing specific binary values. This is characteristic of digital signals, which are used by computers to represent data. Analog signals are continuous and represent a range of values, while bi-directional refers to the ability to transmit data in both directions and modem is a device used to transmit digital signals over a telephone line.

____ Signals Like Those Shown in the Accompanying Figure Are