I am still working on grading the midterms and hope to be done before class. In the meantime, here are some detailed comments on individual questions, based on what I have seen so far; sorry, I have not proofread these comments so there may be mistakes/typos:
- This was about the use of intermediate languages in compilers and interpreters. Many got parts of this wrong. For example, using int. lang. doesn't improve efficiency; it can even reduce it (because of compiling in two stages rather than directly to machine language).