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PC
b. PC, personal computer (PC) is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator, 1940’s -
von Neumann architecture
c. von Neumann architecture, derives from a 1945 computer architecture proposal by the mathematician and early computer scientist. stored-program system but has one dedicated set of address and data buses for memory -
UNIVAC
d. UNIVAC, the name of a line of electronic digital stored-program computers. 1946 patent rights dispute with the university led Eckert and Mauchly to depart the Moore School to form the Electronic Control Company -
ENIAC
e. ENIAC, Electronic Numerical Integrator And Computer) was the first electronic general-purpose computer. July 29, 1947, it was turned on and was in continuous operation until 11:45 p.m. on October 2, 1955 -
first electronic spreadsheet
f. first electronic spreadsheet, is an interactive computer application program for organization and analysis of information in tabular form. In 1968, three former employees from the General Electric computer company headquartered in Phoenix, Arizona set out to start their own software development house -
UNIX operating system
h. UNIX operating system, is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, Michael Lesk and Joe Ossanna -
high-level programming language
g. high-level programming language, high-level programming language is a programming language with strong abstraction from the details of the computer around the 1970’s -
the analytical machine
i. the analytical machine, The Analytical Engine was a proposed mechanical general-purpose computer designed by English mathematician Charles Babbage 1971 -
Altair
k. Altair, The MITS Altair 8800 was a microcomputer design from 1975 based on the Intel 8080 CPU. Interest grew quickly after it was featured on the cover of the January, 1975, issue of Popular Electronics -
CRAY-1
l. CRAY-1. The Cray-1 was a supercomputer designed, manufactured, and marketed by Cray Research. The first Cray-1 system was installed at Los Alamos National Laboratory in 1976 -
j. Apple
j. Apple, that designs, develops, and sells consumer electronics, computer software, and personal computer. The company was founded on April 1, 1976, and incorporated as Apple Computer, Inc. on January 3, 1977 -
holes in cards
m. holes in cards, From the invention of computer programming languages up to the mid-1980s, many if not most computer programmers created, edited and stored their programs line by line on punched cards. -
Macintosh
n. Macintosh, The original Macintosh, released in January 1984. marketed as Mac, is a line of personal computers. Steve Jobs introduced the first Macintosh on January 24, 1984 -
Windows
o. Windows,. Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces (GUIs
