Chapter 73: Computer Fundamentals

False

A fuel injector can be an input or an output component.

EEPROM

All OBDII vehicles use what type of read-only memory?

Analog-to-digital converter

Analog signals from sensors are changed to digital signals for processing by the computer through which type of circuit?

Clock Speed (Hz)

Computer speed is measured in ________.

CPU

The "brain" of the computer is the ________.

PCM

The SAE term for the vehicle computer is ________.

input, processing, storage, and output

The four basic computer functions include ________.

Duty Cycle

The ratio of on time relative to the period of the complete cycle is the ________.

False

The throttle position sensor is an output component.

Turn something on or turn something off

What two things can a vehicle computer actually perform (output)?

Volt

What unit of electricity is used as a signal for a computer?

Input

Which computer function is defined as a voltage signal from a sensor or switch?

Throttle position angle, RPM, Engine Coolant Temperature

Which item is a computer input sensor?

Evaporative Emission Control Solenoid, Fuel Injector, Transmission shift solenoid

Which item is a computer output device?

MAP

Which sensor is used to measure manifold vacuum?

Baud Rate

Which term describes the speed of data transmission?