Dion 1101 - Section 02 Flashcards
Domain 3 Cables (24 cards)
A single “bit” can store what two values?
0 or 1
If we combine 4 bits it’s called?
Nibble
ie. 0100
If we combine 8 bits it’s called?
Byte
ie. 11011010
A file that has 50b means?
File size = 50 bits of data
If someone is sending a 50b file and it takes two seconds to send, what is the data transfer rate?
50 bits / 2 seconds =
25 bits per second (25 bps)
if we combine 1000 bits it’s called?
1 Kilobit (1Kb)
How many bits per byte are in 1Kbps?
8 bits per byte
What is the transfer rate for 1Kbps per second?
125 Bytes per second (125Bps)
What does 1,000,000 bytes equal?
1 Megabyte (1 MB)
What does 1,000,000,000 bits equal?
1 Gigabit (1Gb)
What does 1,000,000,000 bytes equal?
1 Gigabyte (1GB)
What does 1,000,000,000,0000 bits equal?
1 Terabit (1 Tb)
What does 1,000,000,000,000 bytes equal?
1 Terabyte (1 TB)
D-shaped sub-miniature pin with two thumb screws on each side at the back of a computer.
DB9 connector
DB9 connectors connected to?
Serial ports
How is data sent in serial connections?
0’s and 1’s being sent one bit at a time.
What is the transfer rate of the USB 2.0 LowSpeed?
1.5 Mbps
What is the transfer rate for USB 2.0 FullSpeed?
12 Mbps
What is the transfer rate for USB 2.0 HiSpeed?
480 Mbps
What is the transfer rate for USB 3.2 Gen 1?
5 Gbps
What is the transfer rate for USB 3.2 Gen 2?
10 Gbps
What is the transfer rate for USB 3.2 Gen 2x2?
20 Gbps
What is the transfer rate for USB 4?
40 Gbps