ict reviewer Flashcards
is the largest computer network in the world that connects billions of computer user.
The Internet or “net” (network of network)
is a collection of computers and devices connected via communication channels and transmission media allow to share resources (hardware, software, data, information).
Network
the word internet started
*1982-
Is an American internet pioneer and is recognize as one of the fathers the internet
VINTON GRAY CERF -
Major Components of the Internet
1.Servers
2.IP Address (Internet Protocol)
3.Browser
4.Domain Name System
is a computer program that provides service to another computer program and it’s user.
A.Servers
– a program in computer that provides the business logic for an application program.
Application Server
a computer program that serves requested HTML pages or files.
Web Server –
is a software that acts as an intermediary between an endpoint device, such as computer and another server from which a user is requesting.
.Proxy Server –
is an application that receives incoming e-mail from local users and remote senders and forward outgoing e-mail for delivery.
Mail Server –
is a computer responsible for central storage and management of data files so that other computer on the same network can access them.
File Server –
is a security component of a policy – based network that provides authorization services and facilities tracking and control of files.
Policy Server
is a security component of a policy – based network that provides authorization services and facilities tracking and control of files.
Policy Server
is a numerical label assigned to each device. This provides identity to a network device.
IP Address (Internet Protocol) –
is an application program that provides a way to look information on the web.
Browser –
is the phonebook of internet. We access information online through domain names.
Domain Name System (DNS) –
provided internet access to a specific geographic area.
Regional ISP
business that provides internet access in cities and towns nationwide.
National ISP –
a collection of billions of webpages that you can view with a web browser
Web –
the most common method of sending and receiving messages online
Email –
websites and apps that allow people to share comments, photos, and videos
Social media –
games that allow people to play with and against each other over the Internet *
Online gaming
operating system and application updates can typically downloaded from the Internet
Software updates –
is a coding language used to tell a browser how to place pictures, text, multimedia and links to create a web page. When a user clicks on a link within a web page, that link, which is coded with HTML, links the user to a specific linked web page.
HTML - Hypertext Markup Language