By Makayla Chavez 1° Meirik

The Complex Number Calculator (CNC) is completed Konrad Zuse finishes the Z3 computer Jean Hoerni's Planar process, invented at Fairchild Camera and Instrument Corp., protects transistor junctions with a layer of oxide The Commodore PET (Personal Electronic Transactor) — the first of several personal computers released in Texas Instruments Inc. introduced Speak & Spell, a talking learning aid for ages 7 and up The Motorola microprocessor exhibited a processing speed far greater than its contemporaries Apple Computer launched the Macintosh 1984 The Amiga 1000 is released David Miller of AT&T Bell Labs patented the optical transistor Netscape Communications Corporation is founded. 1994

BIT- smallest unit BIT- smallest unit Byte- more memory Byte- more memory KB byes KB byes Mb-1024kb Mb-1024kb Tb- about as much memory as all the books in a library Tb- about as much memory as all the books in a library Pb-1024 tb Pb-1024 tb Eb pb Eb pb Zb-1024 eb Zb-1024 eb Yb-1024 zb Yb-1024 zb Ram-random access memory Ram-random access memory

the first computer was invented in 1936 by Konrad Zuse. It was called Z1 computer. It was the first computer that was freely programmable. The first laptop was made by Adam Osbourne ‘1, it costs approximately $1750.

Virus Worm Trojan horse A program that change the way a computer works is a computer virus. It form by itself. programs that change on their own from system to system are called worms. Trojan horses are impostors, meaning they are files that claim to be something good but are actually really bad.

IBM IBM APPLE APPLE DELL DELL TOSHIBA TOSHIBA HP HP ~Thomas J. Watson, Sr ~Steve Wozniak co-founded Apple ~Michael Dell ~ Toshiba Corp. ~ William Hewlett and David Packard

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