For a multiple choice question: What do we call the LSB? (i)Little Endian (ii)Upper bit (iii)Big Endian (iv)Lower Bit
I feel ideally none of them is a true correct choice, but my best bet was (iv) Lower Bit.
However, our professor claims that the correct choice should be (i)Little Endian. He even said "LSB stands for Least Significant Bit which is right most bit of a binary equivalent and it is Little endian format."
I don't agree with the last part i.e. "..it is Little endian format."
My understanding (primarily from the book “Computer Organization and Design” by Patterson and Hennessy,) is that LSB (and MSB) concepts were introduced to clearly identify bits at both extremes while avoiding any confusion arising due to writing styles like vertically or horizontally which can be confusing when read/written from different directions. Further it (LSB) has nothing to do with byte ordering such as Little endianness. For example any number will have both LSB and MSB, and can be stored in a little endian hardware as much as it can be stored in a big-endian hardware.
Pls let me know if I'm misunderstanding the professor's statement in any way.