traduceti te rog 
machines are doing jobs that people used to do . washing machines wash clothes , vacuum cleaners vacuum the microwave ovens cook  delicious dishes in no time . many factories use machines to do various jobs : lift and carry weights , repair things or do ofter simple operations.
   The computer is different . It can do a lot of things . We can use computers in business, in education , and inmedical service . Many schools , officies , factories , hospitals and homes have compuners . Secretaries use them to write letters , writers use them to write books, bankers use them to store and transfer information children use them to play games . 
     The difference between computers and other machines is the program  It can change  thecomputer from a game machine into a teaching machine , or from an office machine into an angineering machine . The computer can understad the instructions .It tells the computer what to do . The computer can unerstand the instructions very quikly . We can write programs that tell the computer cto translate from one language into another , to teach various topics , to correct mistakes or play a game with us . The computer has become a part of our life. It is the machine of the twentieth century