LIE T1 Flashcards
What is computer?
Computer is a machine which can perform many task.
It was originally invented to do speedy and accurate calculations.
The word “computer” was first recorded as being used in?
1613
A computer was originally used to describe?
A human who performed calculations or computations.
was an early aid for mathematical computations
Abacus
the oldest surviving abacus was used in?
300 B.C. by the Babylonians
can work on addition and subtraction problems at the speed of?
a person equipped with a hand calculator
Where is the abacus still used today?
in the far east
Schickard’s calculating clock is invented by?
German professor Wilhelm Schickard
When is Schickard’s calculating clock invented?
1623
It is design to assist in all the four basic functions of arithmetic
Schickard’s calculating clock
It is the first gear-driven calculating machine
Schickard’s calculating clock
Schickard’s calculating clock git little publicity due to?
Schickard died in the bubonic plague
Who invented the pascaline?
French mathematician-philosopher Blaise Pascal
When is the pascaline invented?
1642
Pascaline is also called?
Arithmetic machine