ITE 1159/9/13 Microprocessors (1971-present) 1971: first e-mail sent 1972: Intel 8008 8-bit words Expand number of bits and bytes can be received Uppercase and lower case letters 1975: Altair 8800 Bill Gates and Paul Allen work on software for Altair 8800 Personal computer 1976: Apple 1 First Apple product Made of wood Has keyboard 1977 Apple II- Power- Game board- Case- First successful, mass-produced personal computer TRS-80- First desktop computer- Released by Radio Shack- Video display- Basic programming language 1979: Atari 400 and 800 Hook up computer to gaming system 1979: first portable computer 1982: Compaq 4.1 MB 22 lbs. Commodore 64- 64K ram- Better graphics Cray- Super computer- Fastest, most powerful, most expensive computer in the world- For large calculations 1983: Lisa Introduced by Apple First personal computer with user interface Black and white monitor 5 MB hard drive Windows Pop-up windows Mouse 1984: MacintoshITE 1159/9/13 More affordable than Lisa Paint application Word processor 1987: IBM PS/2 Videographic array OS2 operating system 1988: NeXT computer Steve Jobs left Apple for NeXT Overall failure Colored screen Ran slowly Optical storage drive Voice recognition 1990s: laptops, PCs Smaller, sleeker More affordable Faster Present Personal computer Desktop computer- Powers, monitors, mouse, speakers Work station- More computing power- More scientific calculations- Data analysis Laptop/notebook (portable) Tablet Servers- Share resources Embedded systems- Phones, TVs, microwaves- PDA, smart phones Internet Experiment of network Began as text-only system; some video, some pictures, some sound Wide area network 1969: Arpanet First packaging network For education and defense Operating system Windows 1.0 (1982-1985) Execute DAWS command with mouse-click Ability to switch between programs Windows 2.0 (1987-1992) Windows on top of each other Improved speed and usabilityITE 1159/9/13 Desktop icons Control panel Windows 3.0 (1990-1994) Improved use of virtual memory Less pixelated; more visually pleasing Software installed via floppy disk Windows NT (1990-1994) Business operating system Windows 95 Built-in internet support Included first version of plug-and-play Better networking Upgrade with CD or CD-ROM BOB Supposed to be more user-friendly Failure Windows 98, 2000, ME 98: designed for consumers 2000: designed for businesses ME: home computer version of personal computer; system restore Windows XP More virus protection; security; network protection Home, professional, tablet, media center editions Windows Vista Security: data protection; data encryption Windows 7 Focus towards wireless world One of first touch interfaces High quality when released Windows 8 Touch oriented
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