题目内容

If a bit pattern represents an unsigned number, a right-shift operation divides the number by two. ( ) 对 ( ) 错

A. 对
B. 错

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Name the four Logical operations.

Draw the truth tables for OR, XOR.

Using an 8-bit allocation,first convert each of the following numbers to two's complement,do the operation,and then convert the result to decimal.19+23

吸收式热泵由发生器、吸收器、冷凝器、蒸发器、节流阀及溶液泵等组成,其原理是利用由两种不同沸点的物质组成的溶液(也称工质对)的气液平衡特征进行工作。

A. 对
B. 错

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