1) What does CPU stand for? a) Computer Preparing Unit b) Central Processing Unit c) Cable Petabyte Upload 2) What are 0 and 1? a) Circuit b) Bit c) Unit 3) How many wires are needed to store numbers from 0 to over 4 billion in the binary system? a) 4 billion b) 0 and 1 c) 32 4) How is 10 in binary code written? a) 1010 b) 1001 c) 1100 5) How many digits are in a binary system? a) 0 and 1 b) 0 to 9  c) 1 to 9 6) How fast does electricity move? a) Speed of matter b) Speed of light c) Speed of sound 7) How many calculations per second can modern circuits perform? a) Billions b) Trillions c) Millions 8) True or false: Text, images, and sound can also be represented by binary numbers? a) False b) True c) neither 9) What is the Operating System? a) The power source around the software of a computer b) The master program manages how the software uses the hardware of a computer. c) Neither 10) What is one hardware item? a) light b) energy c) wires 11) What is on a software item? a) keyboard b) games c) mouse 12) How many parts are in the computer? a) 4 b) 32 c) 10 13) what are the parts of the computer? a) Games, videos, websites, ETC b) Keyboard, Screen, Mouse, Charger, ETC. c) Input, process, storage, output 14) What is the master chip of a computer? a) HDMI b) Lay's potato chips, ETC c) CPU 15) How can we touch software on our computers a) The power source and screen b) Because it isn't all inside the computer c) neither

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