COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPUTER SYSTEMS AND COMPONENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Converts digital signals into analog so they can be transmitted over telephone or cable lines-converts analog to their digital equivalents as well.
A
Processor
B
Modem
C
Motherboard
D
Optical drive
Explanation: 

Detailed explanation-1: -The correct answer is Modem. Modem, (from “modulator/demodulator”), any of a class of electronic devices that convert digital data signals into modulated analog signals suitable for transmission over analog telecommunications circuits.

Detailed explanation-2: -In electronics, a digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a system that converts a digital signal into an analog signal. An analog-to-digital converter (ADC) performs the reverse function.

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