The first use of the word human "computer" was recorded in__ and was used until___

was an ancient memory aid device to record and document numbers, quantities, or even messages.

is a mechanical device used to aid an individual in performing mathematical calculations.

The abacus was invented in ___(place) ___(date)

The abacus in the form we are most familiar with was first used in ___(place) in around __(date)

It used to perform basic arithmetic operations.

Who invented Napier's Bones Date

Allowed the operator to multiply, divide and calculate square and cube roots by moving the rods around and placing them in specially constructed boards.

who invented Slide Rule (name) (Date)

Is based on Napier's ideas about logarithms.

Whos idea slide rule is based

Used primarily for multiplication, division, roots, logarithms, Trigonometry

Not normally used for addition or subtraction.

Who invented pascaline (name) (Date)

It was its limitation to addition and subtraction.

It is too expensive.

Who invented Stepped Reckoner (name) (Date)

The machine that can add, subtract, multiply and divide automatically.

is a mechanical loom

It is an automatic loom controlled by punched cards.

Who invented Jacquard Loom (name) (Date)

A mechanical calculator

The first reliable, useful and commercially successful calculating machine.

The machine could perform the four basic mathematic functions.

The first mass-produced calculating machine.

Arithmometer inventor (name) (Date)

It’s an automatic, mechanical calculator designed to tabulate polynomial functions.

It is the first mechanical computer.

Difference Engine and Analytical Engine inventor (name) (Date)

__suggests to Babbage that he use the binary system. (Date)

She writes programs for the Analytical Engine.

First Computer Programmer

designed to tabulate polynomial functions.