Answer:
D. PORT
Explanation:
A Port is the interface used to connect external devices to computer.
Ports are of various types based on the type of communication interface:
For example:
- Serial port : information transfer takes place one bit at a time.
- Parallel port : transfer of multiple bits at a time.
- Ethernet : used for connecting network cable
- USB : Universal Serial Bus
Computer peripherals like mouse,keyboard, modem, printer etc connect to the computer via the port which is in accordance with their specified communication interface.
Answer:
Network externality is one of the market failures that justify the regulation of telecommunications markets and especially the interconnection between operators' networks. Externality is defined as the variation in utility that an agent obtains when the number of other agents that consume the same type of good or service varies. External effects are considered network effects that cannot be internalized by market agents.
Network externalities lead to the creation of natural monopolies as they generate positive feedback processes that make each new user of a service more valuable for the next user.
Answer:
WAN network
Explanation:
A WAN network is an abbreviation for wide area network. This telecommunication network is mainly used for networking computers. They are not tied to just one location. They can also be called network of networks. It connects several LANs. The lans stand for local area and networks and they are computer networks and devices that are connected to each other within a geographical area.
