3.1 Cable Types Flashcards
bit
binary digits
Nibble
4 bits
Byte
8 bits
1000 bits
1 Kilobit
1,000,000 bits
1Mb (megabit)
1,000,000 bytes
1MB (Megabyte)
DB9 Connector
A D-shaped sub miniature pin that goes into the back of a computer and has two thumb screws on the side. Fastest speed is 115kbps
USB ports allow up to how many devices connected?
127 devices, this is known as a daisy chain
USB Host Controller
Uses the same amount of bandwidth for all devices in a port
USB 1.0 (low speed)
Maximum speed of 1.5Mbps
USB 1.1 (full speed)
Maximum speed of 12Mbps
USB 2.0 (hi-speed)
Maximum speed of 400Mbps
USB 3.1 GEN1 (SuperSpeed USB) (Gen 1)
Maximum speed of 5Gbps
USB 3.1 GEN2 (SuperSpeed USB 10Gbps) (Gen 2)
Maximum speed of 10Gbps
SuperSpeed USB 20Gbps (Gen 2x2)
Maximum speed of 20Gbps