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Unit 9 MCU and CPU

Unit 9 MCU and CPU. March 26th, Monday. Questions:. What is the main function of a MCU? What is the purpose of a buffer storage? What consequences would result without a buffer storage in a MCU? How many sections does a CPU contain? What are they?. Notes:.

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Unit 9 MCU and CPU

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  1. Unit 9 MCU and CPU March 26th, Monday

  2. Questions: • What is the main function of a MCU? • What is the purpose of a buffer storage? • What consequences would result without a buffer storage in a MCU? • How many sections does a CPU contain? What are they?

  3. Notes: • Intermediary a.1. 中间的;媒介的n.1. 仲裁者;中间物;媒介物 • function 功能 • convert into 把~转换为 • slight 轻微的 • bulky 1. 体积大的,庞大的;过大的2. 又大又笨的,笨重的 • vacuum1. 真空[C] 2. (心灵的)空白,空虚[S] 3. 真空吸尘器;真空装置[C] 4. (跟外界隔绝的)孤立状态[C]

  4. recognition 1. 认出,识别;认识[U] 2. 承认;确认;认可[U] 3. (以微笑,招手等表示的)招呼,致意[U][C] 4. 赏识;表彰;报偿[U][S1] • digit n.1. 手指;足趾 2. 数字

  5. Translation: • 1. The main function of MCU is to take the part program and convert this information into a language that the machine tool can understand so that it can perform the functions required to produce a finished part. • 2. One of the first operations that the MCU must perform is to take the binary-coded data from the punched tape and change it into binary digits.

  6. MCUs which don’t have buffer storage must have high-speed tape readers to avoid the pauses in transferring information and the machining operation. • Since the early 1950s, MCUs have developed from the bulky vacuum tube units to today’s computer control units, which incorporate the latest microprocessor technology.

  7. The developmnt of soft-wired controls in the mid1970s resulted in more flexible and less costly MCUs. • The CPU of any computer contains three sections: control, arithmetic-logic, and memory.

  8. Supplementary knowledge: • Night-night • A dark horse • A goose • Talk horse

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