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- slide rules (linear, circular, cylindrical, etc.)
- nomographs
- mechanical desk calculators
- printed lookup tables
- napier's bones
- sector
- abacus and counting boards
- fingers
- etc.
Wiki User
∙ 8y ago
Wiki User
∙ 14y agoLaptop computers, as we now know them, were invented because the existing computers were not portable enough for people of that time. Before lugable/portable/laptop computers came the desktop,er, computer that is. There is still some discussion on who invented Desktop computer with many names mentioned. You would need to go back in History to the Second World War to work out who invented Mainframe computers but some did and they came before desktop computers.
Wiki User
∙ 12y agoabacus
slide rule
Pascaline
the Stepped Reckoner
the analytical engine
typewriter
tabulating machine
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What was invented first airplane or steamboat?
The steamboat was invented about a hundred years before the aircraft.
Why is oral history important before writing was invented?
why was oral tradition important before writing was invented
Who invented the apple Laptops?
Apple has produced many laptop computers over the years. They were all created by a team of designers and engineers at Apple.
Was lacrosse invented before baseball?
NO
Was the car invented before the first airplane?
Yes, the car was invented first.
When where laptop covers invented?
Before laptops were.
Did Victorians have laptops?
Nope - the Victorian era ended long before computers were invented !
Are solar powered laptops invented?
No, but when they are invented it's gonna be awesome
Who found laptops?
No one found them. They were invented.
Did the tudors have laptops?
No. Laptops were not invented until the 20th Century. The Tudors lived in 16th Century Britain.
Who invented laptops and when?
The laptop computer was invented by a man named Adam Osborne. Adam invented the laptop in 1981.
Who invented laptops from China?
jemi lewi
Who invented Gateway laptops?
acer did because acer owns gateway
Are laptops cheaper to buy before or after Christmas?
After.
Who is George E Gerpheide?
person who invented touchpad on laptops ipod and stuff
Who invented mini laptops and why?
The Mini laptop was invented by Adam Osborne. The mini laptop was invented because it was more lightweight than the original laptop and more portable.
Do laptops have USB ports?
Yes, must laptops and notebooks have USB ports, but its best to check before purchasing one.
