C语言和汇编语言的区别是什么?

区别如下:

  1. 汇编语言实质上是机器语言的助记符。 CPU只能运行它所支持的指令集,而这些指令集当中的每条指令都是一些二进制数的序列,也就是“0”和“1”的有序组合;“0”和“1”的组合不便于程序员的记忆因此有了“MOV A 0x40”等这样的助记符。
  2. C语言编写完程序后,需要通过编译器将C语言编译成与相应CPU指令集对应的机器语言。汇编语言与机器语言是一一对应的。C语言的语法是固定的,C语言编写的程序要编译成CPU能读懂的机器语言指令没办法一一对应,因此需要有编译规则了,所以运行效率低一些。

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UNSW– Computer Systems Fundamentals COMP1521 18s2 辅导班开班啦~~

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International trade Due date: Due date for Assignment 1 is Sunday July 29 at midnight.  Obtain country-level data on trade (% GDP) and GDP per capita (constant 2010 US$) from the World Bank’s World Development Indicators

Due date: Due date for Assignment 1 is Sunday July 29 at midnight.

Obtain country-level data on trade (% GDP) and GDP per capita (constant 2010 US$) from the World Bank’s World Development Indicators (http://databank.worldbank.org/data/source/world-development-indicators (Links to an external site.)Links to an external site. (Links to an external site.)Links to an external site.).

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