CS33-3

CS33-3 - Basic Computer Architecture CS 33: Computer...

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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-1 Basic Computer Architecture
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-2 Basic Computer Architecture Input Process Output Save Results
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-3 Basic Computer Architecture Input Process Output Store
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-4 Basic Computer Architecture Input Output Memory Central Processing Unit (CPU) Bus
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-5 von Neumann Architecture Input Output Memory Central Processing Unit (CPU) Bus
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-6 Harvard Architecture Bus Input Output Central Processing Unit (CPU) Program Memory Data Memory
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-7 Computer Memory 0 B 1 3 2 5 4 6 8 7 A 9 C E D F
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-8 Computer Memory Individual cells Same fixed size Number of bits Usually 8 bit byte in contemporary machines Accessed as a linear array First address is 0 Addresses are consecutive up to size-1 Can hold any type of data
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CS 33: Computer Organization Topic 3: Basic Computer 9/2008 John A. Rohr All Rights Reserved JAR 3-9 Computer Memory Adjacent cells can be combined Typical cell types Byte: 8 bits
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CS33-3 - Basic Computer Architecture CS 33: Computer...

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