Server virtualization is the act of running multiple operating systems and other software on the same physical hardware at the same time, as we discussed in Cloud Computing. A hardware and/or software element is responsible for managing the physical system resources … Read More
The main difficulty that occurs when so many computers are interconnected is to find a common language to exchange information. This difficulty is resolved by adopting global standards. In the Internet world, as in other communities, defining these standards is … Read More
Computers are connected in local area , metropolitan or wide area networks. In turn, the networks are linked together in what is called the Internet. The Internet is a global network of computers. Any computer connected to the Internet can … Read More
Wireless LAN, also known under the names of WLAN, 802.11 or WiFi, although the most recent connection method in recent years has seen an unprecedented rise in popularity. This popularity is due even to its main characteristics: lack of cables. … Read More
Fiber optics is a fairly recent technology and leads to much higher capacities for transmitting computer data, being generally used between important nodes in the network or between networks. While still relatively expensive and difficult to handle and connected, optical … Read More
Copper wire is currently the most used medium for connecting computers and network equipment. Among its advantages are primarily low price and high enough speed that can provide data transmission. In addition, the material is flexible enough to be mounted … Read More
There are few computer users who have never used a network. Whether to send a message or to find certain information, increasingly more people are using networks. Both for people, as well as for business, currently being connected to a … Read More
The Irish Data Protection Authority (ODPC) has recently ruled that the Irish subsidiaries of Facebook and Apple may perfectly share their users’ data with NSA as this is legal under the EU law. The ruling comes as a result of … Read More
The role of networks Independently, the computers can accomplish almost anything, but if their resources are shared, computers become more efficient. For example, all the computers in an office can be connected to one printer, saving the cost of acquisition … Read More
Computer telephony integration, also referred to as CTI, is technology that allows interactions on a telephone and a computer to be integrated or co-ordinated. The following functions can be implemented using CTI. Calling Line Information Display (Caller’s Number, Number Called, … Read More
A computer network is a system for communication among two or more computers. Computer networks may be categorized with respect to range: personal area network (PAN) wireless PAN local area network (LAN) wireless LAN metropolitan area network (MAN) wide area … Read More
A wide variety of systems of interconnected components are called networks. Specific examples include: transport networks, roads, railroads, shipping routes and airlines, pipelines (gas, petroleum, water, sewage), electric circuits – a network of electrical components. electricity networks (electric power – … Read More
