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Dictionary of Computer and Internet Terms phần 4

màu xám 1. một loạt các hộp chứa đầy với một loạt các sắc thái màu đen đen từ màu trắng tinh khiết 100%. Một màu xám được sử dụng để thử nghiệm một máy in, màn hình, máy quét, máy in. 2. (thuật ngữ máy quét) phạm vi của màu xám trong một hình ảnh được đo bằng máy quét. | 163 electronic data interchange EIA Electronic Industries Alliance an American organization that promotes industrial standards. On older computer equipment EIA often marks an RS-232 or EIA-232D serial port. The EIA web site is at www.eia.org. EIA-232D the new official designation for the RS-232 standard for data communication. See RS-232. EICC Electronic Industry Citizenship Coalition a coalition of companies promoting socially responsible practices web address www.eicc.info . EIDE Extended Integrated Device Electronics a newer type of IDE disk drive and controller that allows a larger number of sectors per track and thereby overcomes the original limit of 528 megabytes per drive. EISA Enhanced Industry-Standard Architecture a standard 32-bit bus for IBM PC-compatible computers using the 386 486 or Pentium microprocessor. EISA was developed by a group of competitors as an alternative to IBM s Micro Channel retaining more compatibility with the original ISA bus. It has been largely superseded by PCI. In general EISA computers can use ISA as well as EISA cards. The extra contacts on the EISA card edge connector are in a second row above the contacts that correspond to those on ISA cards. See ISA BUS PCI. eject 1. to remove a diskette or similar storage device from a computer. 2. to tell a computer that a diskette CompactFlash card or other storage device is about to be removed. The Eject operation tells the computer to finish writing data to the device immediately. The drive may or may not physically eject the storage device. electronic circuit diagram symbols graphical symbols used in schematic diagrams of electronic circuits. Examples are shown in Figure 92 on page 164. See also AND GATE LOGIC Circuits nand gate not gate OHM S law or gate parallel serial transistor. electronic commerce EC the carrying out of business transactions by computers. For example computers at a store can monitor inventory levels and automatically order more merchandise when it is needed. .