实验二 移位运算实验

一、实验目的：

掌握移位控制的功能及工作原理

二、预习要求：

1.了解8位双向移位寄存器74299的功能、引出端功能符号和管脚分配

2.预习移位运算电路的工作原理。

-Experiment 1 Experiment 2 shift operation, experimental purposes: to master shift control function and working principle of two words, text: 1. About 74 299 8-bit bi-directional shift register function, function symbols and pin terminal distribution　2. Preview shift operation principle of the circuit.