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The IBM System/370
The System/370 was among the first computers to make use of virtual memory and memory chips rather than magnetic core memory. The machines supported big, fast hard disk drives which held, for the time, vast quantities of information. These large disks came at a cost though - 400 MB storage -
The Altair 8800
The Altair 8800 was a microcomputer that was originally sold through hobyist magazines in the 1970's. Thousands were sold in the first few months and the machine proved to be a huge success and is credited for kickstarting the microcomputer revolution of that era. -
The IBM 5100
The IBM 5100 is recognised as the first example of a truely portable computer. The machine had a built-in 5 inch CRT screen and tape drive. Weighing in at 55 pounds, the 5100 was heavy, but possible to relocate fairly easily. -
Apple I
The Apple I was designed and built by Steve Wozniac. The computer sold for $666.66 and for that price you got a fully assembled circuit board but you had to supply your own, case, keyboard, power supply and monitor. The Apple I had a 1 MHz CPU and came with 4 KB of RAM (upgradable to 48 KB with expansion cards. it was discontinued in 1977 -
Apple II
Among the first successful personal computers, the Apple II was known for being easy to use and easy to expand. The computer instantly launched Apple inc into a well known brand and went on to sell about 5,000,000 units. -
TRS-80
Manufactured by Tandy Corporation, the TRS-80 was popular with home and business users due to its use of expansion interfaces. For a starting price of $600 you got a full system including a monitor and Querty keyboard -
Commodore PET
First computer built by Commodore and one of the first computers to have a built-in monitor and cassette deck.