Logic Gate Applications – Practice Problems Set 2
逻辑⻔运用-练习题2:
- A firm wishes to have a safe protected by a security alarm at night. The requirement for the alarm is as follows: It must be possible to switch the alarm ON and OFF, and the alarm should ring if the safe door is opened when the room is dark.
某公司希望在夜间有一个安全警报来保护保险箱。警报的要求如下：必须能够打开和关闭警报，如果房间黑暗时打开安全门警报响起。
- What Input sensor should be used?
应该使用什么输入传感器？ - Draw a circuit diagram for an electrical system which would operate the alarm based on the conditions that have been set by the client (firm).
绘制电气系统的电路图，该系统将根据客户（公司）设定的条件操作警报。 - The security system should have contained one of the following logic gates: NOT, AND, & an OR gate. Complete the following truth tables for each logic gate in the circuit.
安全系统应包含以下逻辑门之一：NOT、AND和OR门。为电路中的每个逻辑门填写以下真值表。
- The diagram below shows a simple alarm system for motorbike. There are two types of switches used in the design of the alarm system: a toggle switch which the rider turns on when the bicycle is parked, and a pressure switch in the saddle (seat).
下图显示了一个简单的摩托车报警系统。报警系统的设计中使用了两种类型的开关：骑手在自行车停放时打开的拨动开关和鞍座（座椅）上的压力开关。
- Identify the different sections of this circuit.
识别此电路的各部分。
- Control Block控制板: _____________________________________________________
- Input Sensors输入传感器: _________________________________________________
- Output Sensor输出传感器: _________________________________________________
- What logic gate was used to create this circuit?
什么逻辑门被用来创建此电路?
- Complete the truth table for this system. 完成此系统的真值表。
| Toggle Switch | Presure Switch | Buzzer | Bell |
| 1 | 1 | ||
| 1 | 0 | ||
| 0 | 1 | ||
| 0 | 0 |
- What conditions will cause the alarm to go off?
什么情况会导致警报响起？
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