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A network is a collection of computers and devices connected together via…
A network is a collection of computers and devices connected together via communication devices and transmission media.
Transmission media consist of materials or substances capable of carrying one or more communication signals
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Communication is the process in which two or more computers or devices transfer data, instructions and information is known as digital communications
Network cards
A communications device that enables a computer or device that does not have built-in networking capability to access a network
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Wireless acces points
A wireless access point is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network.
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Routers
A router is a communication device that connects multiple computers or other routers together and transmits data to its correct destination on a network.
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digital modems
A broadband modem or digital modem is a communication device that sends and receives data and information to and from a digital line.
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Dial-up modem
A communication device that converts digital signals to analog signals to digital signals, so that data can travel along an analog phone line
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ADVANTAGE
- Facilitating communications.
- Sharing hardware.
- Sharing data and information
- Sharing software
DISADVANTAGES
- The set-up and maintenance costs can be expensive. (They often involve taking up floors and ceilings to lay hundreds of meters of cables)
- A fault with the network server can cause difficulties with the organization.
- Networks can be vulnerable to security breaches and cyberattacks. Hackers can exploit network vulnerabilities to gain unauthorized access to sensitive data or disrupt network
A communication device that uses a mobile service provider's network to connect to the Internet wirelessly from a computer or mobile device
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