CS 342 Lecture -*- Outline -*- * analysis (may omit) ** Costs and Benefits of Psuedo code Virtual machine is +more regular +higher level of abstraction +provide increased security (error checking) ** Costs and Benefits of interpreters Interpreter provides +much better debugging (standard for debuggers) +small space for programs (compact code) but it is -slower by a factor of 10 (exercise for more exact numbers) than assembler