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A vintage computer is an older computer system that is largely regarded as obsolete. The personal computer has been around since approximately 1971. [ 1 ] But in that time, numerous technological revolutions have left generations of obsolete computing equipment on the junk heap.
In a clocked CPU, the clock can go no faster than the worst-case performance of the slowest stage. In a clockless CPU, when a stage finishes faster than normal, the next stage can immediately take the results rather than waiting for the next clock tick.
The Timex Sinclair 1000 (or T/S 1000) was the first computer produced by Timex Sinclair, a joint venture between Timex Corporation and Sinclair Research.It was launched in July 1982, with a US sales price of US$99.95, making it the cheapest home computer at the time; it was advertised as "the first computer under $100". [1]
The Compaq Portable was announced in November 1982 and first shipped in March 1983, [11] priced at US$2,995 (equivalent to $9,200 in 2023) with a single half-height 5 + 1 ⁄ 4" 360 KB diskette drive or US$3,590 for dual, full-height diskette drives.
The ZX81 is a home computer that was produced by Sinclair Research and manufactured in Dundee, Scotland, by Timex Corporation.It was launched in the United Kingdom in March 1981 as the successor to Sinclair's ZX80 and designed to be a low-cost introduction to home computing for the general public.
The NEC APC, the first of the series. The N5200 is a series of personal computers released in 1981. The APC is a version of the N5200 that was sold outside Japan. [4]Although its computer architecture is very similar to the PC-98, it was developed and marketed in a different way.
The TI-99/4 and TI-99/4A are home computers released by Texas Instruments in 1979 and 1981, respectively. [2] Based on Texas Instruments's own TMS9900 microprocessor originally used in minicomputers, the TI-99/4 was the first 16-bit home computer. [3]
The VIC-20 (known as the VC-20 in Germany and the VIC-1001 in Japan) is an 8-bit home computer that was sold by Commodore Business Machines.The VIC-20 was announced in 1980, [4] roughly three years after Commodore's first personal computer, the PET.