请输入您要查询的字词:

 

单词 PCMCIA
释义
PCMCIA

Computer
  • A body set up in 1989 whose members include hardware and chip manufacturers, software houses, and system integrators. The PCMCIA defined two specifications for add-in cards of credit-card size: PC card (formerly PCMCIA card) and its successor, ExpressCard. Cards can contain such peripherals as hard disks, modems, flash memory, or network interfaces. The association was dissolved in 2009.


Electronics and Electrical Engineering
  • An organization of approximately 500 companies that specifies a standard for small devices used for the expansion of portable computers. Originally the standard was used for memory, but it is now suitable for many types of devices. There are three types, all with the same plan size of 85.6 × 54 mm, but of different thicknesses:

    • Type I: primarily for ROM or RAM, these are 3.3 mm thick.

    • Type II: often used for communications cards, these are 5.5 mm thick. Type II slots can also hold one Type I card.

    • Type III: can accept portable disk drives and are 10.5 mm thick. Type III slots can also hold two Type I or II cards in any combination.


随便看

 

科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2025/1/13 4:39:14