4 Questions
What is the primary purpose of sending and receiving data in a computer network?
To ensure communication between sender and receiver
Which term is used to refer to connected devices in a computer network?
Nodes
What are some common protocols used for specific purposes in a computer network?
HTTP and HTTPS for web browsing
What is a potential disadvantage of computer networks mentioned in the text?
Increased setup costs
Study Notes
- A computer network is a collection of computers or electronic devices connected through cables, wires, or wirelessly.
- Devices such as computer printers, scanners, fax machines, and file servers can be part of a network.
- Sending and receiving data between devices on the network is the primary purpose.
- Nodes refer to connected devices, and communication requires the use of transmission media like cables.
- Key components include a sender with data, a receiver expecting data, and protocols that ensure communication between them.
- Common protocols include HTTP and HTTPS for web browsers, SMTP for emails, and FTP for file transfers.
- Networks facilitate resource sharing, such as documents, pictures, and videos, among devices.
- Computer networks have significant advantages, like instant messaging, sharing hardware, and data files, as well as running software.
- Potential disadvantages include the risk of data theft by hackers, viruses spreading through connected devices, increased setup costs, and network downtime due to server failure.
- Network management requires personnel to maintain a large network.
Explore the key components and protocols of computer networks, including the purpose, advantages, and disadvantages. Learn about nodes, transmission media, common protocols, resource sharing, and network management.
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