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it does not really control the speed of cars,what it really does is control the input of information being sent to it by sensors thru-out the car. For example:temperature sensor sends signal to computer telling it the state of the engine,cold /warmed up.
Which then the computer then tells the spark/fuel injection etc to either richen up the mix or lean out the mix for fuel economy.Speed sensors on front wheels send signals to computer for ABS brakes while speed sensors from transmission send ratio signals back to verify speed and transmission speed for gear selection .Some new cars now have rear end speed sensors for comparators between transmission speed and rear end speed.
So,in a sense the speed of the car can be controled by the computer.New cars have safety programs in the computers that will shut the car off if certain high end speeds are reached. For example 2008 Dodge Dakota if it reaches a speed of 102 mph the computer instructs the ignition system to shut off. Other cars now do similar things.Hope this answer your question.
What else can I help you with?
Is calculation a main function of a computer?
Calculation is the only function of a computer!
What does a computer need so that it will function?
computer need its main component c.p.u to function .
What are the function and duties of a computer microprocessor?
The main function of this part of the computer is to read scripts and process computer programs.
What is the main function of computer?
The main use of a computer is to be fed data, process that data and come up with information which can be used to make decisions, but in today's culture, they are also being used as a source of entertainment.
What is the function of the main board?
To input data into the computer.
What is the main function of the reins?
The main function of the reins is to communicate cues to the horse through the rider's hands. They are used to direct and control the horse's movements, including steering, stopping, and regulating speed. The reins are an important tool for communication between the rider and the horse.
What is the main function of a cell?
to control what goes in and out of a cell
The main function of what is to speed up a chemical reaction?
A catalyst.
What is the main function of key board?
To input data into the computer.
What is the main function of Disk Operating System?
The main function of a DOS is to operate the hard ware to allow a user to utilise the computer.
What is the function of the thyriod gland?
The main function of the thyroid gland is to control cell metabolism.
What its main function of computer aided design?
it is used for graphical operations
