Yes
12 forward gears and 4 backward gears
seven forward and two backward gears
because the gears are clicking on each other when they spin.
Transmission gears? In the transmission.
Yes it does.
Reverse and forward gears
A reverse idler gear in a manual transmission. It converts the reverse gears turning direction into the outputshaft to reverse its direction. The transmission can not spin clockwise when the reverse idler is engaged thus it only spins backwards not forward.
It could be anywhere from five to 18.
One the 1999 and newer trucks, some 2WD ext cabs and 4WD ext cabs with the 5.3 came with 3.73 gears. Others came with 3.42 gears
The Honda xr100 has 5 forward gears 1-down, 4 up.
The idea behind multiple gears on a bicycle -- whether it's an older "10-speed" bike or a modern mountain bike with 24 gears -- is to let you change the distance that the bike moves forward with each pedal stroke.
gears of war2 would dominate modern warfare2 hands down