-
Abacus is a type of calculator invented in the 300 B.C. Also known as a counting board in Greek and Roman times.
-
-
The Holes in Card is also known as the punch card invented by Herman Hollerith. It was the first use for vital statistics.
-
The Analytical engine was invented by Charles Babbage. This was used in homes and a more accurate ways to calculate.
-
Von Neumann architecture is a design model that is for a stored-program digital computer that uses Central Processing Unit or known as (CPU). Also is known as Von Neumann model or the Princeton architecture devices.
-
ENIAC stands for Electronic Numerical Integrator And Calculator. This was invented by J. Presper Eckert and John Mauchly in 1946.
-
UNIVAC stands for (Universal Automatic Computer) it was the second commercial computer produced in the U.S. It was the first American computer designed at the outset for business and for administration uses.
-
Fortran or formula translation was the first high-level programming invented by John Backus. This was later released commercially in 1957.
-
UNIX is an operating system which was first developed in the 1960s. It is a stable for multi-user, multi-tasking system for servers, desktops and laptops.
-
PC stands for Personal Computer which is also called Microcomputer. This was normally made for businesses in the 1970s.
-
The first CRAY-1 system was installed at Los Alamos National Laboratory in 1976. Also the man who had invented this is Seymour Cray.
-
This computer was the first personal computer in a home. It was developed by Micro Instrumentation and Telemetry Systems (MITS).
-
The Apple 1 was the first with a single circuit board used in a computer. A fact about the computer is that it didn’t come with a keyboard, monitor or case.
-
VisiCalc was the first computer spreadsheet. It was released to the public in 1979.
-
a. The Microsoft Corporation announced Microsoft Windows as the next generation operating system. This would provide a graphical user interface(GUI) and a multitasking environment for IBM computers.
-
Macintosh was started in about 1984 by Steve Jobs. Macintosh is a computer company who first released an apple computer.