超星 - Lesson 5 Reading Comprehension - 查题吧

判断题

The two different states by which digital circuits operate is only one form.

A. 对
B. 错

判断题

The closed-switch state can be represented by 1 and the open-switch state can be represented by 2.

A. 对
B. 错

判断题

A very common method of digital operation is achieved by using current pulses.

A. 对
B. 错

判断题

Integrated circuits containing many transistors are most commonly used as switching devices in digital electronics logic gates.

A. 对
B. 错

判断题

The three basic types of digital logic gates are the AND gate, the OR gate, and the NOT gate.

A. 对
B. 错

判断题

An important function of NOT gate is to produce signal inversion or an input signal that is opposite in nature to the output signal.

A. 对
B. 错

判断题

The three basic types of digital logic gates and the flip-flop are the four circuits most commonly employed in such systems.

A. 对
B. 错

判断题

Even in a large scale digital system, such as a computer, control, or digital-communication system, there are a lot of basic operations, which must be performed.

A. 对
B. 错

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