Comptia a+ USB flashcards
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15 Terms
What is the data transfer rate of USB 1.1?
12 Mbps (Full Speed) and 1.5 Mbps (Low Speed)
What is the data transfer rate of USB 2.0?
480 Mbps (High Speed)
What is the data transfer rate of USB 3.0/3.1 Gen 1?
5 Gbps (SuperSpeed)
What is the data transfer rate of USB 3.1 Gen 2?
10 Gbps (SuperSpeed+)
What is the data transfer rate of USB 3.2 Gen 2x2?
20 Gbps
What is the power output of USB 2.0?
5V at 500mA (2.5W)
What is the power output of USB 3.0?
5V at 900mA (4.5W)
What is the maximum power delivery of USB-C with USB PD?
Up to 100W (20V at 5A)
Which USB version introduced the reversible connector?
USB-C (USB 3.1)
What color is typically used to identify USB 3.0+ ports?
Blue (though USB-C ports are typically black/gray)
What is the maximum cable length for USB 2.0?
5 meters (16.4 feet)
What is the maximum cable length for USB 3.0?
3 meters (9.8 feet)
How many pins does a USB-A connector have?
4 pins (USB 2.0) or 9 pins (USB 3.0+)
How many pins does a USB-C connector have?
24 pins
What does USB BC 1.2 specify?
Battery Charging specification allowing up to 1.5A (7.5W) for
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