Which of the following are characteristic of an Accumulator architecture Select 2 correct answer(s) Question 3 options: a) One operand of a binary operation is in memory, creating lots of bus traffic b) Memory-memory where two or three operands may be in memory. c) Instructions other than Load and Store instructions use operands from the stack implicitly d) Binary instructions use the top two elements of the stack e) Uses Postfix notation (also known as Reverse Polish notation) f) Register-memory where at least one operand must be in a register. g) One operand of the a binary operation is in the accumulator