review questions:
2-5

2)software apps enables users (us) to control computers without have to know everything a computer genius does. ex microsoft word. etc.
translator program is a program that translates computer language into whatever other language we know. programs such as C#.
system software handles all the "behind the scenes" tasks like knowing where to save (like on the ROM...) or output instructions etc. ex you don't have to tell your computer where your printer is.

3)the operating system Because the operating system stands btwn the software app and the hardware, app compatibility is usually defined by the operating system and well as by the hardware.

4) get out of broken car go on the side of car where flat tire is. put the car jack 1 foot away from tire socket (?), get screw drivers and spare tire from back trunk. press on jack to lift the car apx. 2 ft off ground. go under car, unscrew tire, remove old tire put to side. get new tire and screw that into place. hubcap side out. secure and get out from under the car. make jack put car back down and remove jack after.

5)multiple user operating system was first invented in England.