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Central processing unit

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Central processing unit

  1. 1. CENTRAL PROCESSING UNIT PARTS WORKING
  2. 2. PARTS OF CPU There are two parts of central processing unit (CPU) ARITHMETIC AND LOGIC UNIT (ALU) CONTROL UNIT (CU)
  3. 3. PHYSICAL APPEARANCE
  4. 4. CONTROL UNIT(CU) • Controls all hardwares and softwares. • Issues commands. • Temporary storage registers.
  5. 5. ARITHMETIC AND LOGIC UNIT(ALU) • Performs all processing and arithmetical operations • Adder and logic gates • Temporary storage registers
  6. 6. WAY OF DATA TRANSFER BETWEEN ALU CU AND OTHER UNITS • The data is transferred through data bus. • Control signals are sent from cu through control bus.
  7. 7. QUICK QUIZZ  What is the other name of control processing unit?  What is the function of CU?  What is difference between system unit and Control Processing Unit? Are they names of a same component?  How data and control signals are transferred between CPU and other units?

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