Which legacy port type was commonly used to connect keyboards and mice before USB became standard?
Difficulty: Medium
About this MCQ
This Medium Windows 10/11 Mcqs question asks: Which legacy port type was commonly used to connect keyboards and mice before USB became standard? The correct choice is D. PS/2. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
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- A. Ethernet
Why not A: “Ethernet” does not fit this question. The answer is PS/2.
- B. HDMI
Why not B: “HDMI” does not fit this question. The answer is PS/2.
- C. USB
Why not C: “USB” does not fit this question. The answer is PS/2.
- D. PS/2 ✓
Correct answer
D. PS/2
Explanation
The legacy port commonly used to connect keyboards and mice before USB became standard is the PS/2 port. Explanation of the PS/2 PortDesign: Introduced by IBM in 1987 on their Personal System/2 computers, it uses a 6-pin Mini-DIN connector.Color Coding: Standardized in the late 1990s, the keyboard port is purple and the mouse port is green.Operation: Unlike USB, PS/2 ports are not hot-pluggable, meaning you must restart the computer for it to recognize a newly plugged-in device.
Source: General IT/Computer Science Reference
Tags: General Computer Knowledge
Submitted by: MCQsHub Editorial
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