is served by the layer below it. So, in a given message between users, there is a flow of data down through the layers in the source computer, across the network and then up through the layers in the receiving
Networking, also known ascomputer networking, is the practice of transporting and exchanging data betweennodesover a shared medium in an information system. Networking comprises not only the design, construction and use of a network, but also the management, maintenance and operation of the network ...
Virtualization allows for the creation of a simulated, digital-only "virtual" computer that behaves as if it were a physical computer with its own hardware. The technical term for such a computer is virtual machine. When properly implemented, virtual machines on the same host machine are ...
解析 第1空:Network 第2空:The definition and function of network - 问题要求填写文章的主题和主旨大意。 - 文章第一句话就提出了问题“What exactly is a network?”,随后文章都在解释什么是网络,以及网络的功能。 - 由此可见,文章的主题是network,主旨大意是对network的定义和功能进行解释说明。
What is a network protocol? In networking, a protocol is a set of rules for formatting and processing data. Network protocols are like a common language for computers. The computers within a network may use vastly different software and hardware; however, the use of protocols enables them to ...
A simple definition of computer hardware is “any physical parts or components that contribute to a computer system.” There are several different kinds of hardware inside a PC. Both desktop and laptop PCs include these types of hardware, though the size and type differ because of a laptop’s...
The internet of things (IoT) is a system of interconnected computers, devices, digital machines, and objects, all marked with unique identifiers (UIDs) and enabled to transfer and share data over a network. It was first coined by Kevin Ashton in 1999 when he envisioned a future where things...
The Internet is a worldwide system ofcomputer networksthat allows devices to connect through any network. With the Internet, users can communicate, learn, and share information across the world. Though now the Internet - or net, as it's also less formally known - is a public resource, it ...
Definition What is the internet? The internet, sometimes simply calledthe net, is a worldwide system of interconnectedcomputer networksand electronic devices that communicate with each other using an established set of protocols. The internet was conceived by the Advanced Research Projects Agency (ARPA...
With IoT, data is transferable over a network without requiring human-to-human or human-to-computer interactions. Athingin the internet of things can be a person with a heart monitor implant, a farm animal with a biochip transponder, an automobile that has built-in sensors to alert the driv...