1) What does a milling machine do? a) brings up the internet to the computer b) Takes a rotating cutting tool and moves it through material to make an object c) connects the computer to the wifi d) used for making car parts 2) What does CPU stand for? a) circut programs unit b) central program place c) circut processing unit d) Central processing unit 3) What are examples of computer hardware a) plastics and metals b) rubber c) Circuits, chips, plugs, speakers, and wires d) cloth 4) What is the CPU? a) how the computer makes the screen work b) Master chip that controls all the other parts of the computer c) what you use to turn the computer on d) The smallest unit of data that a computer can process 5) True or false: Text, images, and sound can also be represented by binary numbers. a) true b) false 6) what is a bit a) the smallest unit that a computer can acess b) the important part of the computer c) The hardware of the computer d) A comptuer key e) A shoe f) A game 7) What is the operating system? a) The master program that manages how software uses the hardware of the computer b) Something you can control c) A system thats in the computer d) The interent on the computer e) A computer input f) Small part of the computer 8) why are smaller computers faster? a) a smaller transistor means less power b) Because its small so it has more power c) Because computers are strong d) I dont know e) Because it has less power f) Computers are smart 9) How many wires are needed to store numbers from 0 to over 4 billion in the binary system? a) 16 wires b) 60 wires c) 20 wires d) 40 wirees e) 32 wires f) 100 wires 10) How is the number 9 represented in the binary system? a) 1001 b) 5000 c) 2000 d) 50 e) 0 f) no numbers represented

How computers work

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