What is Compact Disk ?

A compact disc [sometimes spelled disk] (CD) is a small, portable, round medium made of molded polymer (close in size to the floppy disk) for electronically recording, storing, and playing back audio, video, text, and other information in digital form. Tape cartridges and CDs generally replaced the phonograph record for playing back music. At home, CDs have tended to replace the tape cartridge although the latter is still widely used in cars and portable playback devices.

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TIA/EIA 568a and 568b Wiring Color Codes

TIA/EIA-568-B.1-2001 is likely the most commonly used and talked about feature of the specification created in 1988. 568-a is the definition of pin assignments for the the pairs within Category 3 (CAT3), Category 5 (CAT5) and Category 6 (CAT6) unshielded twisted-pair (UTP) cables (eight conductor, 100-ohm balanced twisted pair cabling). The Pin/Pair assignments were named T568A and T568b, both of which define the pinout or specific order the UTP pairs need to be terminated within 8P8C (Eight Position, Eight Conductor) modular connecters, also known as RJ45 connectors. 568-A Color Code Pin #Wire Color 1-White/Green 2-Green 3-White/Orange 4-Blue 5-White/Blue 6-Orange 7-White/Brown 8-Brown 568-B Color Code Pin #Wire Color 1-White/Orange 2-Orange 3-White/Green 4-Blue 5-White/Blue 6-Green 7-White/Brown 8-Brown

What is Motherboard ?

Motherboard is a printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted into.

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