Computer networks

Definition

Computer networks are systems that connect multiple computing devices, enabling them to communicate and share resources such as data and applications. These networks have transformed the way information is transmitted and accessed, leading to significant advancements in transportation and communication methods. By facilitating faster data exchange, computer networks have supported the development of various technologies that have reshaped global interactions and operations.

5 Must Know Facts For Your Next Test

1. Computer networks have evolved from simple point-to-point connections to complex systems involving millions of devices worldwide.
2. The development of protocols, like TCP/IP, has standardized how data is transmitted over computer networks, ensuring reliable communication.
3. Computer networks have revolutionized industries by enabling real-time communication and collaboration across long distances.
4. The rise of cloud computing is heavily dependent on computer networks, allowing users to store and access data remotely rather than on local machines.
5. Security measures such as firewalls and encryption are critical in computer networks to protect sensitive data from unauthorized access and cyber threats.

Review Questions

• How do computer networks enhance communication and data exchange in modern society?
  • Computer networks enhance communication and data exchange by connecting multiple devices across vast distances, allowing instant access to information. This connectivity enables various applications, such as email, video conferencing, and social media, which facilitate real-time interaction among individuals and organizations. By breaking down geographical barriers, computer networks have made it possible for businesses to operate globally and for people to communicate effortlessly, transforming the way we live and work.
• Evaluate the impact of computer networks on the efficiency of transportation systems.
  • Computer networks significantly improve the efficiency of transportation systems by enabling real-time tracking and management of logistics. For example, GPS technology relies on computer networks to provide accurate location data, helping companies optimize routes and reduce delivery times. Additionally, smart traffic management systems use data from connected devices to monitor traffic conditions, improving flow and reducing congestion. These advancements result in lower operational costs and enhanced service delivery in transportation.
• Synthesize how advancements in computer networks have influenced global trade practices in recent years.
  • Advancements in computer networks have profoundly influenced global trade practices by facilitating faster transactions and enhancing supply chain management. The ability to share information instantaneously allows businesses to respond quickly to market demands and collaborate seamlessly with partners across borders. E-commerce platforms rely on robust computer networks for secure payment processing and real-time inventory management, leading to increased sales opportunities. As a result, global trade has become more interconnected and efficient, driving economic growth worldwide.

Related terms

Internet: A vast network of interconnected computers that allows for global communication and data exchange, forming the backbone of modern digital connectivity.

LAN (Local Area Network): A network that connects computers within a limited geographic area, such as a home, school, or office, enabling resource sharing and communication among connected devices.

Wi-Fi: A technology that allows devices to connect to a local area network wirelessly, making it easier for users to access the internet and share resources without physical connections.