Securitycopy

history of computers

By sromero.sjc
  • Period: 1890 BCE to 1890 BCE

    IBM

    herman hollerit, an american built a machine to count a census. it used punched cards and gears like the previus ones but it worked with electrycity. his company grew to become the first computer manufacture in the world; ibm

  • ibm

    ibm
    herman hollerit,an american inventior built amachine to caunt acensus.it used punched cards an gears like the previus ones,but it worked with electrycity.his company grew to become the first computer manufracture in the world;ibm