auto 4.

which of the following are known as the "linking cells" of the human brain

• neurons

• protons

• neutrons

• electrons

which of the binary numbers below is equal to 6 in the decimal system of notation?

• 0111

• 1110

• 0110

• 1111

to comply with the Clean Air Act of 1977, "self-adjusting" engines were introduced in _____

• 1978

• 1979

• 1980

• 1981

in which type of logic gate must both inputs be "on" to produce an output voltage?

• NOT.

• NAND.

• AND.

• OR.

which of the following is NOT a type of computer memory

• ROM

• RAM

• PROM

• PRAM

which of the following is another name for an automotive computer?

• Electronic Control Unit

• Electronic Control Module

• Electronic Control Assembly

• all of the above

most automotive computer systems use a signal amplitude of about _____ volts

• 0.5-2

• 3-5

• 6-7.5

• 12

which type of computer memory loses it contents if power is interrupted?

• EPROM

• RAM

• ROM

• KAM

An OBD II system will identify problems with all the components listed except:

• battery temp. sensor

• ignition coil

• oxygen sensor

• starter solenoid

The data link connector for an OBD II system most often will be located _____.

• behind the front bumper

• under the dash or center console, near the driver's seat

• behind the dash on the passenger's side of the vehicle

• on the firewall, inside the engine compartment