• 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.

    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.

  • Wired Equivalent Privacy (WEP) is a security protocol specified in the IEEE 802.11 standard to provide the same level of security as the one of a wired LAN.

    WEP provides security by encrypting data sent wirelessly so that it is protected as it is transmitted from one end point to another.

    WEP is not regarded as very secure in the industry. 

    Wired Equivalent Privacy (WEP) is a security protocol specified in the IEEE 802.11 standard to provide the same level of security as the one of a wired LAN.

    WEP provides security by encrypting data sent wirelessly so that it is protected as it is transmitted from one end point to another.

    WEP is not regarded as very secure in the industry. 

  • IEEE 1284 is a parallel port standard of conectivity interface developed by the Institution of Electrical and Electronics Engineers (IEEE).  The term "1284-B" is a connector end of a parallel cable which is attached to other components (i-e: a printer).

    IEEE 1284 is a parallel port standard of conectivity interface developed by the Institution of Electrical and Electronics Engineers (IEEE).  The term "1284-B" is a connector end of a parallel cable which is attached to other components (i-e: a printer).

  • The part of a laser printer that melts the toner onto the print media. It consists of a hot roller and a back-up roller. After toner is transferred onto the paper, the fuser unit applies heat and pressure to ensure that the toner stays on the paper permanently.

    This is why paper is warm when it comes out of a laser printer.

    The part of a laser printer that melts the toner onto the print media. It consists of a hot roller and a back-up roller. After toner is transferred onto the paper, the fuser unit applies heat and pressure to ensure that the toner stays on the paper permanently.

    This is why paper is warm when it comes out of a laser printer.

  • 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.

    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.

  • A bitmapped image format used internally by the Microsoft Windows graphics subsystem (GDI), and used commonly as a simple graphics file format on Windows.

    A bitmapped image format used internally by the Microsoft Windows graphics subsystem (GDI), and used commonly as a simple graphics file format on Windows.

  • The subnet mask is used in conjunction with the network address to determine which part of the address is the network address and which part is the host address.

    A subnet mask may look like 255.255.255.0 which means the first 3 bytes are part of the network and the last byte is the address of the host on the subnet.

    Another way to write the same network mask as above is /24 which means the 24 first bits (8 bits * 3 bytes) are part of the network.

    The subnet mask is used in conjunction with the network address to determine which part of the address is the network address and which part is the host address.

    A subnet mask may look like 255.255.255.0 which means the first 3 bytes are part of the network and the last byte is the address of the host on the subnet.

    Another way to write the same network mask as above is /24 which means the 24 first bits (8 bits * 3 bytes) are part of the network.

  • An Intranet is a network using the same protocols of the public Internet but on a private scale, within an organization.

    For example a company may have an intranet for sharing informations between employees. That information would not be accessible outside of the company.

    An Intranet is a network using the same protocols of the public Internet but on a private scale, within an organization.

    For example a company may have an intranet for sharing informations between employees. That information would not be accessible outside of the company.

  • XML stands for eXtensible Markup Language.

    It is a way of organizing text and/or contents with tags. Tags look like this:

    <sometag>some content</sometag>

    Of course, although possible, this is not designed to be read by humans. It is designed to be processed by machines. Typically one program generates an XML document and another one computes it to some further extent.

    And XML document very much looks like an HTML document, except that the tags are different.

    There are actually many different dialects of XML, each for a different purpose. Each of these dialects has its own tags. And even more tags can be added. Hence the "eXtensible" in the name.

    There is an XML dialect for writing web pages. It is called XHTML. It is basically the same thing as HTML except for minor syntaxic differences. For example in HYML you would write <BR> whereas in XML you would write <br />.

    Other XML dialects include RSS and Atom.

    XML stands for eXtensible Markup Language.

    It is a way of organizing text and/or contents with tags. Tags look like this:

    <sometag>some content</sometag>

    Of course, although possible, this is not designed to be read by humans. It is designed to be processed by machines. Typically one program generates an XML document and another one computes it to some further extent.

    And XML document very much looks like an HTML document, except that the tags are different.

    There are actually many different dialects of XML, each for a different purpose. Each of these dialects has its own tags. And even more tags can be added. Hence the "eXtensible" in the name.

    There is an XML dialect for writing web pages. It is called XHTML. It is basically the same thing as HTML except for minor syntaxic differences. For example in HYML you would write <BR> whereas in XML you would write <br />.

    Other XML dialects include RSS and Atom.

  • 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: 63.245.209.11.

    You can see that query in more detail by opening a command window and typing in:
    nslookup mozilla.org

    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: 63.245.209.11.

    You can see that query in more detail by opening a command window and typing in:
    nslookup mozilla.org