CPU- CENTRAL PROGRAMMING UNIT

CPU- CENTRAL PROGRAMMING UNIT

1. COMPONENTS

   • FAN-COOLS THE SYSTEM DOWN
     • RAM-STORES DATA WHILE POWERED
       • CPU-PROCESSES INFORMATION
         • MOTHERBOARD-CONNECTS ALL COMPONENTS
           • POWER SUPPLY-SIPPLIES POWER TO ALL THE COMPONENTS

2. COMPONENTENTS

   • FLOPPY DRIVE-READS AND WRITES INFORMATION FROM FLOPPY DISCS
     • OPTICAL DRIVE-READS AND WITES DATA STORED ON COMPACT DISCS
       • HARD DRIVE-READS AND WRITES DATA ONTO METAL PLATTERS

3. FETCH- THE INSTRUCTION IS MOVD FROM THE MEMORY TO THE CPU

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4. DECODE- THE INSTRUCTION IS UNDERSTOOD BY THE CPU

   • THE WAY THE CPU WORKS THE PROCESS IS A CYCLE
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5. EXECUTE-THE INSTRUCTION IS CARRIED OUT

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