Internet
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A worldwide network of networks. It is also the network of networks that connects millions computers (called hosts). The Internet is the virtual space in which users send and receive email, login to remote computers (telnet), browse databases of information (gopher, World Wide Web, WAIS), and send and receive programs (ftp) contained on these computers.
Lan
- A local area network (LAN) links computers in relatively close proximity in order to share files, printers, other resources, and online access. LANs are used at home and in business and can be either wired or wireless.
Wan
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A Wide Area Network (WAN) is a network that spans a large geographical area, the most common example being the Internet. A WAN is contrasted to smaller local area networks (LANs).
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Man
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metropolitan area networks (MANs). LANs are home or office networks, while a MAN might encompass a campus or service residents of a city, such as in a citywide wireless or WiFi network.
www
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An Internet-based system that enables an individual or a company to publish itself to the entire world, except to countries or locations that prohibit the free interchange of information. The major service on the Internet, the World Wide Web is the world's largest online shopping mall and the world's largest source of information, news and commentary.
http
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is the set of rules for transferring files (text, graphic images, sound, video, and other multimedia files) on the World Wide Web.
- concepts include (as the Hypertext part of the name implies) the idea that files can contain references to other files whose selection will elicit additional transfer requests.
Search Engine
- A web search engine is designed to search for information on the World Wide Web and FTP servers.
- The search results are generally presented in a list of results and are often called hits. The information may consist of web pages, images, information and other types of files.
- Some search engines also mine data available in databases or open directories.
- Unlike web directories, which are maintained by human editors, search engines operate algorithmically or are a mixture of algorithmic and human input.
FIFO (First In First Out)
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is an inventory costing method which assumes that the first items placed in inventory are the first sold
- the inventory at the end of a year consists of the goods most recently placed in inventory.
- is one method used to determine Cost of Goods Sold for a business .
LIFO (Last In Last Out)
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inventory accounting in which the most recently acquired items are assumed to be the first sold.
- assumes that an entity sells, uses or disposes of its newest inventory first. If an asset is sold for less than it is acquired for, then the difference is considered a capital loss. If an asset is sold for more than it is acquired for, the difference is considered a capital gain. Using the LIFO method to evaluate and manage inventory can be tax advantageous, but it may also increase tax liability.
Domain
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The term domain can refer either to a local subnetwork or to descriptors for sites on the Internet.
- On the Internet, a domain is part of every network address, including web site addresses, email addresses, and addresses for other Internet protocols such as FTP, IRC, and SSH. All devices sharing a common part of an address, or URL, are said to be in the same domain.
what is TCP/IP?
TCP/IP is an abbreviation for transmission control protocol,internet protocol
Class A
Class B
Class C
Application protocol such as HTTP and FTP are based on and use TCP/IP
What is an address?
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