220-801 Question #463: Real Exam Question with Answer & Explanation

The correct answer is B: Size of the expansion slot. The numbers 34 and 54 in ExpressCard designations refer to the width of the card in millimeters. An ExpressCard/34 is 34mm wide, and an ExpressCard/54 is 54mm wide. Both share the same connector but differ in physical size, allowing manufacturers to build larger cards (ExpressCar

Question

In reference to express card types (e.g. Express Card 34 and Express Card 54), which of the following BEST describes what the numbers indicate?

Options

ASize of the memory allocation
BSize of the expansion slot
CThe IEEE specification that it originated from
DNumber of available communication channels

Explanation

The numbers 34 and 54 in ExpressCard designations refer to the width of the card in millimeters. An ExpressCard/34 is 34mm wide, and an ExpressCard/54 is 54mm wide. Both share the same connector but differ in physical size, allowing manufacturers to build larger cards (ExpressCard/54) with more room for components. The numbers do not refer to memory allocation (A), an IEEE specification number (C), or the number of communication channels (D).

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