On the basis of geographical coverage area, computer networks are categorized into four types. In this chapter, we will discuss all four types of computer network, their geographical coverage area, average speed, and features. Summary Four types of computer networks are: PAN, LAN, MAN and WAN. Personal Area Network  is…

In order to establish a computer network between two or many computer devices, we need certain hardware and physical devices or elements. In this chapter, we will study elements of computer network categorized into two groups: Software Elements and Hardware Elements. Summary Software elements help to establish logical conne…

Computer Network is a group of computer interconnected to each other for communication and sharing of resources. In this chapter, we will discuss definition of computer network, its advantages, and disadvantages. Summary Computer network is just a group of computers that are connected together. Inexpensive system, shari…

The logical connection of nodes in a computer network is called network architecture. In this chapter, we will discuss network architecture, its types, along with their advantages and disadvantages. Summary Network architecture is the logical structure that determines the nature of data flow in a network. There are thre…

Network Topology refers to the physical layout of connected devices. In this chapter, we will discuss network topology; and four types of network topologies, along with their advantages and disadvantages. Summary The structure of interconnecting communication channels with nodes in order to establish a computer network …

E-mail is an electronic means of sending letters, along with attachments, in a fast, easy and economic way. In this chapter, we will discuss E-mail, its advantages and disadvantages, E-mail accounts, and other terms related to it. Summary E-mail is a widely used service of the Internet and has made the exchange of both …

Internet is a global platform formed by connecting millions of computers to make worldwide communication. In this chapter, we will discuss Internet and its various services that have made our modern day life easier, faster and more comfortable. Summary Internet is the largest network of networks. Internet is an example …

Transmission medium is the possible roadway through which data can travel from the sender to the receiver in a computer network. In this chapter, we will discuss transmission media, its types, and concept of bit and bandwidth. Summary Transmission media is a basic requirement to establish a computer network. There are g…

Communication has always been an integral part of human life. Telecommunication refers to distant communication. In this chapter, we will have a quick revision about the concepts of communication, modes of communication we use in everyday life, and introduction to telecommunication. What is Communication? Communication …

Data Communication is the second topic that is discussed in the first unit of Computer Science Class 10 - Networking and Telecommunication. In this chapter, we will discuss definition of data communication, its components, and modes. We will also discuss few probable questions from this chapter, as well. Summary Data co…