Appendix Chapter 8
8 | Appendix |
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8.3Glossary
Term | Definition |
An Ethernet standard, which is a cable consisting of twisted copper | |
wire pairs. The transmission speed of | |
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anonymous FTP | While normal FTP sites are protected by an account name and pass- |
| word, this type of FTP site can be used by anyone without a pass- |
| word by simply entering “anonymous” as the account name. |
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Auto IP | A function for automatically acquiring the IP address. If acquisition |
| of the IP address failed with DHCP, an IP address is acquired from |
| the address space of 169.254.0.0. |
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bit | Abbreviation for Binary Digit. The smallest unit of information (data |
| quantity) on a computer or printer. Displays data using 0 or 1. |
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Fonts that are represented by a set of dots to form the character. | |
| Dithering may occur if the character size is increased. |
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BMP | Abbreviation for Bitmap. A file format for saving image data which |
| uses the .bmp extension. Commonly used on Windows platforms. |
| You can specify the color depth from monochrome (2 values) to full |
| color (16,777,216 colors). Images are not usually compressed when |
| saved. |
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Byte | Unit of information (data quantity) on a computer or printer. Config- |
| ured as 1 byte equals 8 bits. |
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Compact PDF | Compression method for reducing the data amount using the PDF |
| format when converting color documents to data. |
| The highest compression efficiency is achieved by identifying the |
| text and image regions and using the resolution and compression |
| method most appropriate for each region. |
| The compact PDF format can be selected when converting docu- |
| ments to data using the scanning functions of this machine. |
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Contrast | The difference in intensity between the light and dark parts of the im- |
| age (light/dark variation). An image with little light/dark variation is |
| said to have a low contrast, and an image with large light/dark vari- |
| ation is said to have a high contrast. |
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Default | The initial settings. The settings first selected when the machine is |
| turned on, or the settings first specified when the function is select- |
| ed. |
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Default Gateway | A device, such as a computer or router, used as a “gateway” to ac- |
| cess computers not on the same LAN |
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Density | An indication of the amount of darkness in the image |
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Density Adjustment | The function that adjusts the color tones of an output device, such |
| as a printer or monitor |
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DHCP | Abbreviation for Dynamic Host Configuration Protocol. A protocol in |
| which a client computer on a TCP/IP network automatically specifies |
| the network settings from the server. With collective management of |
| the IP address for DHCP clients on the DHCP server, you can avoid |
| duplication of an address and you can build a network easily. |
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Dither | A method of using only black and white to create the illusion of dif- |
| ferent shades of gray. The process is simpler than with error diffu- |
| sion; however, some irregularities may occur. |
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C300 |