Question

Which expansion card allows computer to communicate over computer network?

Answer 1

Alternatively referred to as an add-on card, expansion board, internal card, interface adapter, or card, an expansion card is a PCB that fits into an expansion slot on a desktop computer. An expansion card is used to give a computer additional capabilities, such as enhanced video performance via a graphics card.Types of expansion cards in a computer

Interface card (ATA, Bluetooth, EIDE, Firewire, IDE, Parallel, RAID, SCSI, Serial, and USB)

Modem

MPEG Decoder

Network Card

Sound Card

Video capture card

Video CardExpansion card example

Below is a graphic illustration of an ISAModem expansion card (click the picture to get a descriptive overview).
As seen in the picture, an expansion card has two main parts, the first is the gold plated connector that connects to a motherboard expansion slot and the connector plate. Typically the back metal plate has connections that allow an outside device to communicate with the card and computer. In this example, the modem has two RJ-11 jacks that allow it to communicate over a phone line.

Answer 2

Answer:

modem is the correct answer...