1) What does CPU stand for? a) Central Processing Unit b) Computer Processing Unit c) Computer Power United d) Central Power Unit e) Computer Power Unit f) Central Police United 2) What 6 examples of computer hardware a) Apps, games, websites, maps, creative, analysis b) burgers, shakes, fries, salads, cookies, pretzals c) Circuits, chips, wires, speakers, plugs, stuff d) phones, tablets, laptops, watches, earbuds, consoles e) red, green, yellow, blue, orange, purple f) desks, chairs, tables, doors, windows, floors 3) What 6 examples of computer software a) desks, chairs, tables, doors, windows, floors b) Circuits, chips, wires, speakers, plugs, stuff c) burgers, shakes, fries, salads, cookies, pretzals d) Apps, games, websites, maps, creative, analysis e) red, green, yellow, blue, orange, purple f) phones, tablets, laptops, watches, earbuds, consoles 4) What is the CPU? a) The master program that manages how software uses the hardware of a computer b) A screen c) A memory device d) A circuit board e) The master chip that controls all other parts of the computer f) A fan for cooling 5) What is the Operating System? a) A memory device b) The master chip that controls all other parts of the computer c) The master program that manages how software uses the hardware of a computer d) A circuit board e) A fan for cooling f) A screen 6) What is a bit? a) The master program that manages how software uses the hardware of a computer b) The master chip that controls all other parts of the computer c) A circuit board d) A fan for cooling e) A memory device f) The most basic unit of information in computing and digital communications. 7) How many digits are there in the binary system? a) 7 b) 2 c) 3 d) 4 e) 6 f) 8 8) How many wires are needed to store numbers from 0 to over 4 billion in the binary system? a) 10 b) 12 c) 16 d) 32 e) 100 f) 8 9) Why are smaller computers faster? a) They are slow b) They load less c) They have good cooling d) They require less power e) They can't do much f) The smaller the circuit the faster the electricity has to travel 10) How fast does electricity move? a) Very fast b) 23mph c) 12m/s d) The speed of light e) The speed of a turtle f) The speed of sound 11) How many calculations per second can modern circuits perform? a) Millions b) Billions c) 58 d) 10 e) Hundreds f) Thousands 12) What are the four parts of a computer? a) Input, processor, storage, output b) Case, Cooling, Lights, Screen c) Operating system, screen, cpu, fan d) Top, bottom, left, right e) Inside, outside, on top, underneath f) Plastic, metal, wood, carbon 13) How is the number 9 represented in the binary system? a) 9 b) 9999 c) 1001 d) 1991 e) 1009 f) 9009 14) Are text, images, and sound represented by binary numbers? a) If enough power b) No c) Sometimes d) Maybe e) Yes f) If used right 15) What does a milling machine do? a) It cuts through material to make 3d objects b) Cuts through wood c) Mails letters d) Builds computers e) Edits code f) Makes clothes

How Computers Work

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