Duty cycle is the page quantity which does not affect printer performance for a month. Generally the printer has the lifespan limitation such as pages per year. The lifespan means the average capacity of print-outs, usually within the warranty period. For example, if the duty cycle is 48,000 pages per month assuming 20 working days, a printer limits to 2,400 pages a day.
International non-profit, professional organization for the advancement of technology related to electricity.
A suite of protocols developed by Apple for computer networking. It was included in the original Macintosh (1984) and is now deprecated by Apple in favor of TCP/IP networking.
iTunes™ is a software application developed by Apple. It is available for Mac OS and Windows and can be downloaded freely from apple.com.
iTunes' original purpose was to allows you to manage your digital music library (mp3, aac, etc.), listen to music on your computer and synchronize your music with your iPod.
iTunes evolved into a media manager not just handling music/"tunes" but also Movies, TV Shows, Podcasts and more.
iTunes is required to access the iTunes store which lets you purchase music, videos and othe rmedia but also applications for the iPhone, as well as ringtones.
More info: http://www.apple.com/itunes/download/
An image type that simulates grayscale by varying the density of dots in a given area.
Highly colored areas consist of a large density of dots, while lighter areas consist of a lower density of dots.
DNS is a system that stores information associated with domain names in a distributed database on networks such as the Internet.
For example, when you type in a domain name like, for example, mozilla.org, you computer will automatically query the Domain Name System to find the actual IP address of the server you are trying to reach, for instance: 126.96.36.199.
You can see that query in more detail by opening a command window and typing in:
A modulator-demodulator is a device used to transmit digital data over an analog channel. It modulates/demodulates a carrier signal in order to encode digital information onto it.
A modem is typically used to transmit computer data over POTS phone lines.
HTML is the language used to create web pages such as the one you are currently looking at.
HTML is a standard normalized by the W3C.
Network protocol used for automatic configuration of IP computers/devices. A DHCP server provides configuration parameters specific to the DHCP client host requesting, generally, information required by the client host to participate on an IP network. DHCP also provides a mechanism for allocation of IP addresses to client hosts.