Algebraic topology

Computer Communications: Bus Network Bus Network, in computer science, a topology (configuration) for a local area network in which all nodes are connected to a main communications line (bus). On a bus network, each node monitors activity on the line. Messages are detected by all nodes but are accepted only by the node(s) to which they are addressed. Because a bus network relies on a common data "highway," a malfunctioning node simply ceases to communicate; it doesn't disrupt operation as

Local area networks (LANs). DEFINITION The concept of local area networks (LANs) is not new. It represents a logical development of computer technology. With the advent of microcomputers in the 1980s many office workers began bringing their own disks into work, compromising data integrity. They also began keeping their own databases, which companies did not like. The answer was to create a computer network. A computer network is a group of computers connected together enabling users

Network Security You can think of network security as an insurance policy in a dangerous new world. In the good old days of centralized processing, is all you had to do was simply lock the computer room door and restrict entrance access. Those days are long gone in light of decentralized processing, the internet and vast communi-cation networks. Personal data and transaction security through networks is of paramount concern when processing through the expanding networks held by government

Guide to Networking Essentials, 6th ed., ISBN 1111312524 Chapter 1 Solutions - REVIEW QUESTIONS 1. Which of the following is one of the three basic functions a computer performs? (Choose all that apply.) a. Processing 2. c. Input e. Output The __________ executes instructions provided by computer programs. a. CPU 3. When a CPU is composed of two or more processors, each one is referred to as a(n) ________. b. Core 4. Which of the following is considered long-term

Page 3 Star Network Topology (before the donation) .............................................................. Page 5 Star Network Topology (after the donation) ................................................................. Page 6 Advantages of the Star Network Design ....................................................................... Page 7 Disadvantages of the Star Network Design

Multi-hop communication makes use of the fat that a WSN contains a large number of sensing nodes. So, the sensed data of nodes can be sent to the base station after passing through a number of nearest neighbor’s nodes rather than directly transmitting to it. This strategy, in turn, saves the energy of the sensing nodes and thus contributes a lot to the battery life of the nodes. 1.3 PARAMETERS DEFINIG PERFORMANCE OF WIRELESS SENSOR NETWORKS 1.3.1 POWER OR ENERGY EFFICIENCY Power efficiency is the

DesignIT would only need a basic television package with a single receiver in their conference room and a 10-15 line telephone service. Point-to-point topology would not be useful because each computer is connected directly. Mesh topology requires many cables and can handle a high-volume traffic. If the wireless access point or router fails it would only affect the computers and devices in the particular area, same with switches but not connected

A controller area network (CAN) is a specialized internal communications network that interconnects components inside a vehicle (e.g. automobile, bus, train, industrial or agricultural vehicle, ship, or aircraft), designed to allow microcontrollers and devices to communicate with each other in applications without a host computer (G. Stoeger et al, 2003). It is a message-based embedded application which was, initially designed for automotive applications, but is also used in many other applications

Introduction A typical manufacturing factory is facing problems in computerizing their systems. To computerize hundreds of electronic machines in a work area, the network or networking is the main priority. The Industrial wireless technologies and standards used by plants can improve plant efficiency, safety, security, and productivity. Wireless drastically changes the economics of the financial investments in the new technology with its lower implementation costs and total cost of ownership and

Network Security enhancement using Software Defined Networking Technologies Software Defined Networking (SDN) is a pattern of new technologies for permitting more prominent control of how networks work. As opposed to a genuinely static network that must be controlled by exclusive merchant particular protocols, with at times restricted deceivability into the internals of layer 2 gadgets like switches, SDN considers experimentation in enhancing and arranging how the network functions. Furthermore