History Of Computing Device Flashcards
What is an abacus?
A historical computing device used for arithmetic computation
The abacus allows users to perform operations such as addition, subtraction, multiplication, and division.
What year is associated with the invention of the abacus?
1673
This date marks a significant point in the history of computing devices.
What operations can be performed using an abacus?
- Addition
- Subtraction
- Multiplication
- Division
- Square root
- Cube root
The abacus performs these operations through manual manipulation of beads.
Fill in the blank: The abacus is used to perform _______ computations.
[arithmetic]
True or False: The abacus can also perform operations based on logarithms.
True
The abacus can be used for calculations involving logarithmic functions.
What is the primary function of the abacus?
To facilitate arithmetic computations
It serves as a manual tool for calculations before the advent of modern computing devices.
Who invented Napier bone?
John Napier i
How is it operated?
Manually like abacus
Describe the Napier bone
It has 11 rods each have four sides which is further divided into9 diagram number fact
What are the operations of Napier bone
Multiplication, division, square and cube root of numbers. It was based on logarithm
Who invented pascaline ?
Blaise Pascal in 1642
Describe Pascaline
It is the first mechanic calculating machine it has gear, wheels and gins
Uses of pascaline
Addition and subtraction of numbers
Stepped reckoner operation are
Four operations such as addition subtraction multiplication and division
Who invented stepped reckoner
Willhelm Gottfried
When was stepped Reckoner invented?
1673
Describe Difference engine
It is an automatic machine run by steal .
Who invented Difference Engine
Charles Barbage in 1822
Operations of difference engine
4 operations and logarithmic table
Who invented analytical engine
Charles Barbage in 1830
Describe analytical engine
It was the first general purpose computer. It performs all kind of mathematical operations like difference engine . It is like modern computer which is the reason Charles Babbage is referred to as father of computer. It has four components which are milk, store and reader
Who invented calculating machine
Hermal Hollerieh in 1890
Describe the calculating machine
It was a punch card based mechanical calculator which is used to compute statistics and sort data. It was produced by IBM in 1924
Who invented Differential analyzer
Vannevar Bush in 1939
