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  2. 2. <ul><li>The Altair 8800 was introduced by Ed Roberts in 1975. </li></ul><ul><li>It was the first computer to use the Intel 8080 CPU. </li></ul><ul><li>In 1975 the Altair was the first minicomputer. </li></ul><ul><li>The Altair was manufactured by MITS(Micro Instrumentation and Telemetry Systems) </li></ul>
  3. 3. <ul><li>In April 1976 Steve Wozniak and Steve Jobs formed the Apple Computer Company. </li></ul><ul><li>First personal computer to use a keyboard. </li></ul><ul><li>The Apple I was designed and hand built by Steve Wozniak. </li></ul>
  4. 4. <ul><li>The Apple II was built in 1977. </li></ul><ul><li>It introduced game paddles, sound and color monitor. </li></ul><ul><li>It was priced at 1300 and included 4 kilobytes of RAM. </li></ul><ul><li>Also had additional floppy disk drive to run other programs </li></ul>
  5. 5. <ul><li>The Commodore PET(Personal Electronic Transactor) personal computer produced by Commodore. </li></ul><ul><li>The PET 2001 was introduced in January 1977. </li></ul><ul><li>First full featured computer. </li></ul><ul><li>PET 2001 was changed to 3000 series Commodore Business Machines. </li></ul><ul><li>Final version was PET 4000 series. </li></ul>
  6. 6. <ul><li>Adam Osborne invented The Osborne I. </li></ul><ul><li>Introduced in April 1981 was the Osborne the first portable personal computer. </li></ul><ul><li>It weighed twenty four and a half pounds with a five inch screen. </li></ul><ul><li>It included sixty four KB of memory, two floppy disks drives, and preinstalled software programs. </li></ul>