CMSC 132 - 3 Machine Models(A+ Guaranteed)

operands, results correct answers Where do o__ come from? Where do the r__ go? ALU, memory, processor correct answers 3 Machine Models: A__ M__ P__ stack, accumulator, general-purpose register correct answers 3 main types of instruction sets s__ a__ g__ organization of registers, access memory, instructions and operations correct answers Machine models involve: 1.) o__ of r__ 2.) a__ m__ 3.) i__ and o__ register-memory, register-register correct answers general purpose registers: r__-m__, r__-r__ (load or store) 0 correct answers number of explicit commands in stack 1 correct answers number of explicit commands in accumulator 2 or 3 correct answers number of explicit commands in register memory or register register stack correct answers examples of s__-based ISA: HP 3000, ICL 2900, Java Virtual Machine (modern), Intel x87 Floating Point Unit (modern) accumulator correct answers __-based ISAs are common before 1980s register-memory correct answers __ ISA examples are VAX, 80x86 register-register correct answers __ ISA examples are MIPS and SPARC Stack correct answers C = A + B: Push A, Push B, Add, Pop C Accumulator correct answers C = A + B: Load A, Add B, Store C Register-Memory correct answers C = A + B: Load R1, A; Add R3, R1, B; Store R3, C Register-Register correct answers C = A + B: Load R1, A; Load R2, B; Add R3, R1, R2, Store R3, C