Why are two modes (user and kernel) needed?
查看答案
What are the steps performed by an OS to create a new process?
What is the difference between an interrupt and a trap?
Give three examples of an interrupt.
乙酸乙酯的制备实验中①乙酸、②乙醇、③浓硫酸的加入顺序应该是？
A. ②③①
B. ①②③
C. ③②①
D. ②①③
微信支付 
支付宝支付