meaning of four colour

1. four colour theorem four colour map theorem Fourier transform A technique for expressing a waveform as a weighted sum of sines and cosines. Computers generally rely on the version known as discrete Fourier transform. Named after J. B. Joseph Fourier 1768 -- 1830. See also wavelet, discrete cosine transform. 1997-03-9 fourth generation computer A computer built using Very Large Scale Integration VLSI integrated circuits, especially a microcomputer based on a microprocesseor, or a parallel processor containing two to thousands of CPUs. VLSI made it routine to fabricate an entire CPU, main memory, or similar device with a single integrated circuit that can be mass produced at very low cost. This has resulted in new classes of machines such as personal computers, and high performance parallel processors that contains thousands of CPUs.

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four colour theorem | four-colour glossies |

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