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mechanical calculators
The first mechsnical calculators are manufactured for sale.These calculator can oly add and subtract.
This is the first example of a type of coputers being used in daily life. -
Period: to
Advancements in computer tech
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multiplying calculators
The first multiplying calculators apper in Germany.
This is important because people are devopling advance ments to porgraming and math. -
mass-produced
The first mass produced calculators enter the market.
This means the calculators are avalble to the genral public. -
stored memory
teams around the world work on a "stored program" machine.
This means that calculators are begining to become computers. -
punch cards
The 1890 cences is tabulated on punch cards.
This an new advancements in computer tech. -
printing
William Burroughs,introduces a printing calculator.
This now means that coputers gain the ability to print. -
mechanical calculator
Konrad Zuse, a German construction engineer, builds a mechanical calculator.
This means that now calculators have the ability to do complicated math that can be used in every day tasked. -
new systems
IBM introduces the System/360 Thsi extremly inproves computers in this period. -
first personal computer
The first personal computer is marketed in kit form.
This mean that now the public has acsess to reliable computers -
selling
stores begin to sell PC's.
After this companys begin to sell computers and inprove systems
