C: GUI or Graphical User Interface.
A: Dos is an operating system (MS Dos)
B Fat is a file format for drives
D: Ram is one of the many things that makes a computer work
Answer:
Boot loader
Explanation:
This is a small program that is stored within the MBR or the GUID partition table that is used to help load in an operating system into the memory
Answer: yes because it helps
Explanation: it shows everything