A quick Google search tells that the meaning of in is:
expressing the situation of something that is or appears to be enclosed or surrounded by something else.
and the meaning of into is:
expressing movement or action with the result that someone or something becomes enclosed or surrounded by something else.
But in my line of work people usually seem to use these words as they are interchangeable when they talk of
I wonder which one of these sentence would be grammatically correct.
Put the value in register A and start executing the program.
Put the value into register A and start executing the program.
Furthermore, how this usage would change if the word
Put is replaced with
Load. Would it be
PS : For those who know English but not computers, a
Register is simply a location in computer's memory to hold a value.