1) A refrigerator is an ______________machine. a) electronic b) human power c) fuel d) none of the above 2) The keys on the keyboard with letters on it are called ______________________. a) Numeric keys b) Space bar c) Alphabet keys d) Function Keys 3) A ______________has different keys on it. a) Mouse b) Keyboard c) Printer d) CPU 4) A ________________looks like a television screen. a) keypad b) monitor c) Mouse d) Printer 5) Computer is used in ___________________ for learning and teaching. a) School b) Hospital c) Airports d) None 6) There are _______________ number keys. a) 8 b) 10 c) 9 d) 11 7) Rowing boat is the example of _______________ a) electric machine b) human power machine c) fuel machine d) None 8) Keyboard has 101-104 keys. a) True b) False 9) What is the brain of a computer. a) CPU b) Mouse c) Monitor d) Printer 10) Longest key on the keyboard is ____________________. a) Spacebar b) Enter

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