TestOut LabSim A+ Certification Practice Exam

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Which kind of power connector is used on PATA (IDE) internal hard disk drives and optical drives?

Molex
SATA
USB
PCIe

The correct answer is: Molex

The correct answer is the Molex power connector. PATA (also known as IDE) internal hard disk drives and optical drives typically require a Molex connector for power supply. This four-pin connector provides the necessary voltage and current to power the older PATA devices, which were widely used before the advent of SATA drives. Molex connectors are recognized for their larger size and robust design, which allows them to carry the necessary power for these devices. In contrast, SATA connectors use a different power connector type, which is not compatible with PATA drives. USB is a data transfer method and does not serve as a power connector for internal drives, while PCIe is primarily used for graphics cards and other expansion cards, not for hard drives or optical drives, whether they are PATA or SATA. Therefore, understanding the connection types and their applications is crucial for proper hardware installation and compatibility.