DEVICES NEEDED IN COMPUTER NETWORK COMMUNICATION..

MODEM

• A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines.
• Use to convert digital signal to analog signal and vise versa.

NIC ( NETWORK INTERFACE CARD)

• Network Interface Card (NIC) is also commonly referred to as a network adapter and is an expansion card that enables a computer to connect to a network using a given protocol.

WNIC ( WIRELESS NETWORK INTERFACE CARD)

• Wireless Network Interface Card (WNIC) is a network card that provides wireless data transmission. This card uses an antenna to communicate through microwaves.

WIRELESS ACCESS POINT

• A Wireless Access Point is a central communications device that allows computers and devices to transfer data wirelessly to a wired network using Wi-Fi, Bluetooth or related standards.

ROUTER

• A network device that forwards packets or data from one network to another according to the packet’s destination address.

SWITCH / HUB

• A hub or switch is a device that provides a central point for cables in a network. Switches allow user to send information, such as email, and access shared resources, including printers