1) start the flow of electricity (switch on) 2) prepare a second copy of a file or a program 3) connect the electrical equipment to the electricity 4) to copy a paper picture or a document into the computer 5) stop machine working 6) reduce the volume (sound) 7) stop the flow of electricity by pressing the off button 8) increase the sound 9) use the keyboard to put information into a computer 10) stop working because of the fault (error) 11) finish using comuter system or a website by deleting your name and pasword 12) start using computer system or a site by enetering your name and pasword

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