6. ISA stands for a) Instruction Set Architecture b) Integrated Set Architecture c) Interrupt Sense Activity d) Interrupt Sense Accumulation. 7. Each instruction of MARIE consists of bits. a12 b) 16 c) 8 d) 4 8. Interrupts occur when a) A user break is issued. b) /o is requested by the user or a program. c) A critical error occurs. d) All the above 9. The job to convert assembly language (using mnemonics) into machine language is performed by a) Compiler b) Interpreter c) Translator d) Assembler 10. A Stack is construct. a) Last in first out b) First in last out c) Random d) None of the above