Unit 4 The Fundamentals of Computer Hardware lected bytes or words. The processor consists of a clock, an instruction control unit, an arithmetic and logic unit, and registers. Once a program is stored in main memory, the processor can begin to execute it. During I time, the instruction control unit fetches an instruction from main memory, during E-time, the arithmetic and logic unit executes it. Precisely timed electronic pulses generated by the clock drive Ic machine cy Choose the correct answers for the following brackets (1) Inside a computer, characters are represented by (a A. a binary code B. words C. registers D. positional values (2) A location in memory is accessed by its( a) A. address B. value C. content D. register (3) An instruction is fetched during(c) A. E-time B. I-time C. cycle time D. run time (4) An Instruction is executed during (d B. I-time C. cycle time D. run time (5)One instruction is fetched and executed during a single (d A. clock pul B. instruction C. memory access D. machine cycle Text 2 CPU Exercises Fill in the blanks (1) The processor, often called the central processing unit(CPU) or main processor, is the component that processes or manipulates data (2) The processor is controlled by control ul ( The program tells the computer what to do, and the control unit identify the memory locations that will participate in the operation cide whether the following statements are True or False (1)A processor can do everything without a program to provide control (2) The operation codes identify the memory locations that will participate in the operation (3) The processor contains three key components 4)A program written to run on a computer based on the Motorola CPU will not run on a computer that used an Intel chip 3. Translate and analyze the following sentences (1)Whatever intelligence a computer has is derived from software, not hardware 句子组成: Whatever引导的句字做主语 翻译:计算机的智能来源于软件而不是硬件Unit 4 The Fundamentals of Computer Hardware 2 selected bytes or words. The processor consists of a clock, an instruction control unit, an arithmetic and logic unit, and registers. Once a program is stored in main memory, the processor can begin to execute it. During I￾time, the instruction control unit fetches an instruction from main memory; during E-time, the arithmetic and logic unit executes it. Precisely timed electronic pulses generated by the clock drive this basic machine cycle. Choose the correct answers for the following brackets. (1) Inside a computer, characters are represented by (a ). A. a binary code B. words C. registers D. positional values (2) A location in memory is accessed by its ( a). A. address B. value C. content D. register (3) An instruction is fetched during (c). A. E-time B. I-time C. cycle time D. run time (4) An Instruction is executed during (d ). A. E-time B. I-time C. cycle time D. run time (5) One instruction is fetched and executed during a single (d ). A. clock pulse B. instruction C. memory access D. machine cycle Text 2 CPU Exercises 1. Fill in the blanks. (1) The processor, often called the central processing unit (CPU) or main processor, is the component that processes or manipulates data. (2) The processor is controlled by control unit. (3) The program tells the computer what to do, and the control unit_identify the memory locations that will participate in the operation. 2. Decide whether the following statements are True or False. (1) A processor can do everything without a program to provide control. (F) (2) The operation codes identify the memory locations that will participate in the operation. (F) (3) The processor contains three key components. (F) (4) A program written to run on a computer based on the Motorola CPU will not run on a computer that used an Intel chip. (F) 3. Translate and analyze the following sentences. (1) Whatever intelligence a computer has is derived from software, not hardware. 句子组成：Whatever 引导的句字做主语。 翻译：计算机的智能来源于软件而不是硬件