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 _______