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COE 205. Term - 052 Dr Abdelhafid Bouhraoua Basic Computer Organization. What is a Machine ?. Process Directives. Raw Material. Final Product. Machine. In General: Device that processes a series of raw materials into the desired product following a well-defined process.
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COE 205 Term - 052 Dr Abdelhafid Bouhraoua Basic Computer Organization
What is a Machine ? Process Directives Raw Material Final Product Machine In General: Device that processes a series of raw materials into the desired product following a well-defined process
Computer Machine Model Machine = Computer Process = Program Directives Program = Suite of Instructions Instruction = Simple Operation
Basic Computer Organization (1) Central Processing Unit (CPU) • Need a Unit to Execute Instructions • Need a Unit to Contain Programs • Need a Unit to Contain Input Data • Need a Unit to Contain Intermediate Stage Data • Need a Unit to Input Data • Need a Unit to Output Data Memory IO
Basic Computer Organization (3) Memory Cpu I/O Buses Buses: Groups of Electrical Signals or Wires That Establish The Communication Between The Different Computer System Components
0 1 2 Memory Similar to a set of Storage Bins Data 1 Data 2 Each Bin is Called: A Memory Location Each Location has a Content And an Index The Content is The Data and the Index is The Address Data is Written in Memory And Read from The MEmory The CPU Reads Data From Memory And Writes Data Into Memory
Basic Computer Organization (3) Memory Cpu Address Bus Data Bus I/O Control Bus Address Bus: Specifies the Address of the Data being Accessed Data Bus: Carries the Data to be Transferred Control Bus: Specifies the Nature of the Transfer: (Memory Read/Write or I/O)