The difference between 8051 and 8031 of MCS-51 is that there is no ROM in 8031.
查看答案
The CPU of single chip microcomputer can be divided into arithmetic unit and memory.
A. 对
B. 错
8051 accumulator ACC is an 8-bit register, referred to as a, used to store an operand or intermediate results.答案:
A. 对
B. 错
成人脊髓下端平面在
A. 第12胸椎下缘
B. 第1腰椎下缘
C. 第2腰椎下缘
D. 第3腰椎下缘
控制骨骼肌随意运动的传导束
A. 薄束楔束
B. 脊髓丘脑束
C. 脊髓小脑束
D. 皮质脊髓束
微信支付 
支付宝支付