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Difficulty: EasyMotherboards Form Factors and Connectors

A technician is selecting components for various computer builds. Match each motherboard form factor or connector standard on the left with its defining specification or primary use case on the right.

  • ATX form factorStandard full-size desktop board measuring 12 x 9.6 inches (305 x 244 mm) with up to 7 expansion slots.
  • Mini-ITX form factorSmall-form-factor board measuring 6.7 x 6.7 inches (170 x 170 mm) typically with a single expansion slot.
  • 24-pin ATX connectorMain power cable connection delivering +3.3V, +5V, and +12V power directly to the motherboard.
  • PCIe x16 slotHigh-bandwidth expansion interface commonly utilized for dedicated video cards.

Answer

ATX form factor matches with standard full-size board measuring 12 x 9.6 inches; Mini-ITX form factor matches with small-form-factor board measuring 6.7 x 6.7 inches; 24-pin ATX connector matches with main power cable connection delivering multiple DC voltages; PCIe x16 slot matches with high-bandwidth expansion interface commonly used for video cards.
Each motherboard term correctly matches its industry-standard physical dimension or functional usage according to CompTIA A+ Core 1 specifications.

Step-by-Step Solution

1
Identify the standard physical dimensions of common desktop form factors.
ATX boards measure 12 x 9.6 inches, while Mini-ITX boards measure 6.7 x 6.7 inches.
Form factors define motherboard physical sizes and mounting hole layouts.
2
Identify motherboard power delivery connectors and expansion slot specifications.
The 24-pin connector supplies primary system power, and PCIe x16 slots supply 16 lanes of bandwidth intended for graphics cards.
Connectors and slot configurations determine compatibility with power supplies and add-in cards.

Key Concept

Motherboard Form Factors and Connectors
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Topics

Motherboards Form Factors and Connectors

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