Electronic Signal Processing Flashcards
Analog signal
Current that is proportional to a changing variable
Baud rate
The rate at which serial data is transmitted
What is a Bit?
The smallest piece of digital information.
1 or 0
What is a byte?
A unit of 8 bits
Duty cycle
Percentage of time PWM signal is on or off
Frequency
The number of cycles that occur in 1 second
KAM (memory)
Memory that is retained by the ECM when the key is off
Non-volatile memory
Memory that’s not lost when power is removed
PROM (memory)
Stores programmable information, cannot be easily written over
Pulse width modulation
Electrical signal that varies in on it off time
ROM
(Read only memory)
Permanent storage of instructions
RAM
(Random access memory)
Temporary storage
Telematics
Long distance transmission of information to and from a vehicle
Volatile memory
Data storage that is lost when the ignition switch is turned off
