As an improvement of the ATX form factor over AT, shorter wires made it easier to shield them and made them capable of handling double or quadruple the speed of the motherboard. A. connectionB. RAMC. clockD. performance

C. Clock

Explanation:

The AT and baby AT form factors were the first and most common motherboard form factors that were produced and used. These two modifications vary primarily in width: the older full AT board is 12" wide. It is an outdated motherboard form factor which can only be found in older machines like the 386 class or earlier.

with an improvement and upgrade in the ATX form factor, the shorter wires   now much more better, this form factor now handles double and quadruple the clock speed of the motherboard.

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