ECE 301 Final Exam Questions & Answers 100% Correct

What processor did the first IBM PC use? - ANSWER-8088 How much did the PDP-1 cost? - ANSWER-$125,000 Moore's Law states that... - ANSWER-The number of transistors on an affordable CPU will double every two years. Which of the following is not part of the processor's datapath: A) Control unit B) General purpose registers C) Arithmetic and Logic Unit (ALU) D) Bus interface logic E) Multiplexers - ANSWER-A) Control Unit The processor's control unit... - ANSWER-Decodes the assembly language instructions. In the second step of the instruction cycle... - ANSWER-The instruction is decoded by the control unit. The system buses, used to connect the CPU to the memory and the I/O, include... - ANSWER-The address bus, data bus, and the control bus. To access a location in memory, the processor must specify... - ANSWER-The memory address. The computer memory can store... - ANSWER-Both data and instructions The Von Neumann Architecture... - ANSWER-Cannot access program and data memory at the same time, resulting in reduced processor performance Which of the following is NOT a characteristic of a Harvard Architecture: A) cannot access program and data memory at the same time, resulting in reduced processor performance B) includes separate buses, one for the instruction memory and one for the data memory C) eliminates structural hazards in pipelined processors D) Commonly used in DSPs - ANSWER-Cannot access program and data memory at the same time Which of the following is NOT a characteristic of a RISC processor: A) allows different instruction formats and instruction lengths B) uses specialized instructions to access memory C) can be easily pipelined D) uses simple addressing modes E) includes a large set of identical general purpose registors - ANSWER-Allows different instruction formats and instruction lengths The computer architecture (or Instruction Set Architecture)... - ANSWER-Specifies what the processor can do, defines the processor's programming model, serves as the interface between the processor hardware and the low-level instructions executed, and specifies the technology used to realize the processor A computer's system buses connect... - ANSWER-The CPU to the memory Which of the following is NOT specified in the ISA: a) The number of internal buses. b) The register set. c) The instruction format(s). d) The addressing modes. e) The instruction set. - ANSWER-The number of internal buses The processor's addressing modes are used to... - ANSWER-Determine the location of the instruction operands