Exam 22: Basics of Electronics and Computer Systems

The _____ changes analog signals produced by sensors into digital signals that the computer can use to process and store data.

A thermistor is a temperature-variable transistor.

Semiconductors are made of ______.

Semiconductors are being discussed. Technician A says a semiconductor can be used as a conductor. Technician B says a semiconductor can be used as an insulator. Who is correct?

Describe the two ways a microprocessor works with memory.

A scan tool is NOT required to retrieve DTCs on late model vehicles.

Identify desirable characteristics of semiconductors.

Digital signals are typically called ____________________ patterns.

Beginning with model year 2008, what type of communication protocol is required for diagnostics?

An ____________________ signal is an infinitely variable voltage that can change within a given range.

When should a vehicle's computer be reprogrammed?

Lab scopes are being discussed. Technician A says a lab scope can be used to measure resistance. Technician B says that a lab scope can be used to measure frequency by dividing the length of a cycle into 1. Who is correct?

The standard unit of capacitance is ______.

An engine coolant temperature sensor is an example of a(n)______.

Which of the following is associated with voltage frequency?

____________________ are sometimes called condensers.

Terminating ____________________ are connected in parallel across the ends of the main CAN bus wires to eliminate potential voltage spikes or noise on the data bus.

If a 100 microfarad capacitor is charged off of a 12 volt battery, how many volts will be present between the terminals of the capacitor?

The legs of a transistor are the emitter, base, and collector.

Variable capacitors are called ____________________.