Week3-Basic-Computing-periods

Osborne 1

- the first portable computer.

tally stick

A________was an ancient memory aid device to record and document numbers, quantities, uor even messages.

Napier's Bones

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

m. Harvard Mark 1

Also known as IBM Automatic Sequence Controlled Calculator (ASCC). The first electro-mechanical computer.

abacus

An ________ is a mechanical device used to aid an individual in performing mathematical calculations. It used to perform basic arithmetic operations.

Thomas de Colmar in 1820

Arithmometer, A mechanical calculator invented by ________

Charles Babbage in 1822 and 1834

Difference Engine and Analytical Engine. Invented by________

Von Neumann in 1952

EDVAC , Designed by __________.

Electronic Discrete Variable Automatic Computer

EDVAC stands for Electronic Discrete Variable Automatic Computer

Electronic Numerical Integrator and Computer

ENIAC stands for _______

John Presper Eckert and John Mauchly in 1946

ENIAC, Completed in ______. Developed by_______.

calculations were computed

Earliest Computers originally_________ by humans, whose job title was computers.

In 1840, Augusta Ada Byron

First Computer Programmer

Slide Rule

Is based on Napier's ideas about logarithms. Used primarily for - multiplication - division - roots - logarithms - Trigonometry Not normally used for addition or subtraction.

Difference Engine and Analytical Engine

It an automatic, mechanical calculator designed to tabulate polynomial functions. It is the first mechanical computer.

Jacquard Loom

It is an automatic loom controlled by punched cards.

Pascaline

It was its limitation to addition and subtraction. It is too expensive.

Electronic Numerical Integrator and Computer (ENIAC)

It was the first electronic general-purpose computer.

Per Georg Scheutz in 1843

Scheutzian Calculation Engine, Invented by ________

William Oughtred in 1622

Slide Rule, Invented by ________.

Gottfried Wilhelm Leibniz in 1672

Stepped Reckoner, Invented by________.

Herman Hollerith in 1890

Tabulating Machine, Invented by _________

Tabulating Machine

To assist in summarizing information and accounting.

the user insert punch tape into a punch tape reader and all output was also generated through punch tape

To program the Z1 required that_______.

IBM Automatic Sequence Controlled Calculator (ASCC)

m. Harvard Mark 1, Also known as _______.

Howard H. Aiken in 1943

m. Harvard Mark 1, Invented by _________

Scheutzian Calculation Engine

Based on Charles Babbage's difference engine. The first printing calculator.

Blaise Pascal in 1642

Pascaline, Invented by ______

In 1840, Augusta Ada Byron

In _________ suggests to Babbage that he use the binary system. She writes programs for the Analytical Engine.

John Napier in 1614

Napier's Bones, Invented by________.

1981 by the Osborne Computer Corporation

Osborne 1 , Released in ______.

1949 by John Presper Eckert and John Mauchly

The Electronic Controls Company Founded in _______.

Electronic Discrete Variable Automatic Computer (EDVAC)

The First Stored Program Computer It has a memory to hold both a stored program as well as data.

Joseph-Marie Jacquard in 1881

The Jacquard loom is a mechanical loom, invented by _________.

China in around500 B.C.

The abacus in the form we are most familiar with was first used in ______

Babylonia in 2400 B.C.

The abacus was invented in_______

The Electronic Controls Company

The first computer company was the ________

n. Z1

The first programmable computer.

Arithmometer

The first reliable, useful and commercially successful calculating machine. The machine could perform the four basic mathematic functions. The first mass-produced calculating machine.

1613, middle of the 20th century

The first use of the word "computer" was recorded in ______, referring to a person who carried out calculations, or computations, and the word continued to be used in that sense until the ________.

Stepped Reckoner

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

Konrad Zuse in Germany from 1936 to 1938

n. Z1, Created by _______