说文解字–计算机相关词汇
Explain and translate computer-related vocabulary
计算机中那些单词的故事——analog/模拟
✓ 0x00 词根词源
ana-
汉:来源于希腊语,意为:
- “up”(anabatic),
- “back”(anagram),
- “again”(analects),
- “throughout”(analyze),
- “intensive” (anatomy)等,变化型an-。
英:before verbs an-, prefix meaning
- “upward,”
- “back, backward, against,”
- “again, anew,” from Greek ana- “up to, toward, exceedingly, back, against,” from ana “up, on, upon, throughout, again,” cognate with Old English on, from PIE root *ano- “on, upon, above” (see on).
analogue (n.) ~ analog
1826, “an analogous thing,” from French analogue, from Greek analogon (itself used in English from c.1810), from ana “up to” (see ana-) + logos “account, ratio” (see lecture (n.)). Computing sense is recorded from 1946.
✓ 0x01 计算机相关领域
操作系统:
模拟在计算机体系中的概念:
模拟:用软件的方法在一台现有的计算机(称为宿主机)上实现另一台计算机(称为虚拟机)的指令系统。
数字电路方向(广义):
模拟是对真实事物或者过程的虚拟。模拟要表现出选定的物理系统或抽象系统的关键特性。模拟的关键问题包括有效信息的获取、关键特性和表现的选定、近似简化和假设的应用,以及模拟的重现度和有效性。可以认为仿真是一种重现系统外在表现的特殊的模拟。