Upgrade to remove ads
Only $2.99/month

Chapter 3 CIS Midterm Review

Terms in this set (34)

Hardware
Physical computer equipment, such as the computer monitor, central processing unit, or keyboard.
Systems Software
A group of programs that coordinate and control the resources and operations of a computer system.
Example: Microsoft, Linux, MAC
Applications Software
software that helps a user perform a desired task
Example: Office, Excel, Word
Client
A computer that requests data stored on a server.
Server
(computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network
Web Browser
a software application for retrieving, presenting and traversing information resources on the World Wide Web.
(provides interface to Web pages)
Web Server
a computer that delivers requested webpages to your computer or mobile device
(provides access via a Web site)
Networks
A group of computers and associated peripheral devices connected by a communication channel capable of sharing data and other resources among users.
Local Area Network (LAN)
A computer network that spans a relatively small area, allowing all computer users to connect with each other to exchange data and share peripheral devices, such as printers.
(Usage: Sharing of data, software applications, or other resources between several users)
(size: typically within a building)
Metropolitan Area Network (MAN)
A computer network of limited geographic scope—typically a citywide area—that combines LAN and high-speed fiber-optic technologies.
Wide Area Network (WAN)
A computer network that spans a relatively large geographic area; typically used to connect two or more LANs.
(Usage: Connect multiple LANs, often with distributed ownership and management)
(Size: Large physical distance spanning multiple buildings or the area of a city to worldwide (Internet))
Personal Area Network (PAN)
A wireless network used to exchange data between computing devices using short-range radio communication, typically within an area of 10 meters.
(Usage: Wireless communication between devices (Bluetooth))
(Size: Under 10 meters)
Campus Area Network (CAN)
A type of network spanning multiple buildings, such as a university or business campus.
Intranet
password-protected Web site designed for sharing within the company (laserfiche)
Extranet
password-protected Web site designed for sharing with select partners (Hotschedules)
HTML (Hypertext Markup Language)
The standard method of specifying the structure and content of web pages
(Language for creating web pages and web applications)
URL (Uniform Resource Locator)
The unique Internet address for a website and specific web pages within sites.
(used to identify and locate a particular Web page)
Suffix
.com, .edu, .org, .gov, or two-letter country codes
The _________ uses IP addresses;
The___ translates domain names into IP addresses
internet; WWW
Internet
a large worldwide collection of networks that use a common protocol to communicate with each other
World Wide Web (WWW)
a system of interlinked documents on the Internet
Ethernet
The most widely used local area network protocol.
TCP (Transmission Control Protocol)/ IP (Internet Protocol)
The protocol of the Internet, which allows different interconnected networks to communicate using the same language.
SMTP (Simple Mail Transfer Protocol)
SMTP stands for Simple Mail Transfer Protocol. SMTP is used when email is delivered from an email client, such as Outlook Express, to an email server or when email is delivered from one email server to another.
FTP (File Transfer Protocol)
A protocol used to move files and folders over a network or the Internet.
HTTP Bandwidth
The transmission capacity of a computer or communications channel.
Hypertext Transfer Protocol (HTTP):
The standard regulating how servers process user requests for web pages.
Software as a service (SaaS):
A cloud computing model in which a service provider offers applications via a cloud infrastructure.
(Example: Dropbox)
Platform as a service (PaaS):
A cloud computing model in which the customer can run his or her own applications that are typically designed using tools provided by the service provider; the customer has limited or no control over the underlying infrastructure.
(Example: Windows Azure)
Infrastructure as a service (IaaS)
A cloud computing model in which only the basic capabilities of processing, storage, and networking are provided.
(Example: Amazon EC2)
IP Convergence
The use of the Internet protocol for transporting voice, video, fax, and data traffic.
Cloud computing:
A computing model enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.
Grid Computing
A computing architecture that combines the computing power of a large number of smaller, independent, networked computers (often regular desktop PCs) into a cohesive system in order to solve large-scale computing problems.
Utility Computing
A form of on-demand computing where resources in terms of processing, data storage, or networking are rented on an as-needed basis. The organization only pays for the services used.
THIS SET IS OFTEN IN FOLDERS WITH...