Computer History By Jennifer Nelson The first pc

Computer History By Jennifer Nelson

The first pc and laptop • The first programmable computer was made by Konrad Zusefrom 1936 to 1938 in his parents living room. • The first laptop was made by Adam Osborne in 1981. The laptop cost $1, 795. the company was called Osborne Computers.

10 important events • 1936 -1938 invention of computers • 1979 more than half a million computers were in use in the U. S. • 1983 time magazine nominated personal computers for the title ‘machine of the year’ • 1984 Apple introduces the Macintosh with the mouse and window interface. • 1994 Yahoo is created • 1996 Web. TV is introduced • 1998 Google is founded by Sergey Brin and Larry Page. • 2004 Facebook is created by Mark Zuckerburg. • 2005 e. Bay acquires Skype • 2006 Skype announces it has more than 100 million users.

Viruses, Worms and Trojan Horses • A computer virus is a software program that spreads from one computer to another computer and interferes with the program. • A computer worm is a self-replicating computer program • Many people thinking that the Trojan Horse is software or files from an actual source are tricked. They open it and have downloaded it.

5 Major Companies • Michael Saul Dell was the founder of Dell in 1984. • Microsoft was founded by Bill Gates and Paul Allen on April 4, 1975. • Apple was founded by three men, Steve Jobs, Steve Wozniak, and Ronald Wayne in 1966. • HP was founded by Bill Hewlett and Dave Packard in 1939. • Thomas J. Watson founded IBM in 1911.

Definitions • • • Byte-basic unit Kilobyte- 1, 000 bytes Megabyte- 1, 000 kilobytes Gigabyte- 1, 000 megabytes Terabyte- 1, 000 gigabytes Pebibytes-1, 000 terabytes Exbibyte- 1, 000 pebibytes Zebibyte-1, 000 exibytes Yobibyte- 1, 000 zebibytes RAM- (Random Access Memory) things can be transferred to the RAM where they are easily accessible.

In the future… I think computers will be very advanced in the future. Many people will keep inventing new ways to make computers better and faster. They may change the shape and design in the future, or make them a lot smaller and easier to carry around.

Bibliography • • http: //articles. timesofindiatimes. com www. computerhope. com http: //support. microsoft. com www. antivirusworld. com www. buzzle. com www. history-timelines. org www. techterms. com