-
Jan 1, 1300
Abacus
It was the most advanced device for crunching numbers before computers and calculators. It consisted of a frame set with rods on which balls or beads are moved to count. -
The Analytical Machine
It was a proposed mechanical general-purpose computer. It was able to perform any calculation. -
Holes in Cards
It is a piece of stiff paper that was used to control the operation of a machine. It was used for programming and entering data into computers, and it is used in voting machines. -
ENIAC
The Electronic Numerical Integrator And Computer was the first electronic general-purpose computer. It was large-scale. -
Von Neumann Architecture
It is a computer architecture developed by John von Neumann. It formed the core of nearly every computer system in use today. -
UNIVAC
It was the first commercial computer produced in the United States, which contained thousands of vacuum tubes that utilized punch cards and switches for inputting data and punch cards for outputting and storing data. -
High-Level Programming Language
It enables a programmer to write programs that are more or less independent of a particular type of computer. -
UNIX Operating System
It is the base software that controls a computer system and its peripherals. It provides the base mechanisms for booting a computer, logging in, running applications, storing and retrieving files. -
Altair
It was the first personal computer to attract a substantial number of users. It was used for simple games and mathematical problems. -
CRAY-1
It was the world’s first supercomputer. At the time, it was the fastest computer in the world. -
Apple
It is a very famous hardware and software company best known for its personal computers, smart phones, and the iPod. -
First Electronic Spreadsheet
VisiCalc was the first electronic spreadsheet for personal computers. It was originally released for the Apple II, and it turned computers into real business tools. -
PC
It stands for personal computer. It is a small, relatively inexpensive computer designed for an individual user. -
Windows
It is a graphical operating system developed, marketed, and sold by Microsoft. -
Macintosh
It is a popular model of computer made by Apple. It utilizes windows, icons, and a mouse to make it relatively easy to use.
