1) What does CPU stand for? a) Central Processing Unit b) Circuit  Processing Unit c) Computer Protection Unit 2) What is 9 represented in binary? a) 1001 b) 1010 c) 0101 d) 010010 3) What are the 4 parts of a computer ? a) Input, Orange, Storage, Processing b) None of the above c) Input, Output, Storage, Processing d) All of the above 4) What are (ALL) of the examples of computer hardware ? a) Circuit b) Wire c) Chip d) Speaker e) All Of The Above 5) What is the CPU? a) The speaker b) The Masterchip c) The wireing 6) What numbers are used in the binary system? a) 0 And 9 b) 1, 2, 3, 4, 5, 6, 7, 8, And 9 c) None Of The Above d) 0 And 1 7) Which of these is considered a computer ? a) b) c) d) 8) How many digits are there is the binary system? a) 10 b) 9 c) 1 d) 0 e) 100 9) Why are smaller computers faster? a) It's easier to hold in your hand b) It Has More Space To Travel c) They Have Less Space To Travel 10) How many calculations per second can circuits perform? a) One b) Billions c) One Hundred d) One Million 11) Text, images, and sound can (not) be represented by binary numbers. a) True b) False 12) Computers are programed. a) True b) False 13) What is the operating system of a computer a) It Manages How Software Gets To Use The Hardware Of The Computer b) It Makes The Computer Charge c) It Would Make The computer Hotter And Colder 14) Which of these is a computer chip a) b) c) 15) How much technology do computers have? a) None b) A Lot c) A Little Bit

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