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| C | Explain the technologies used in digital electronics and the main circuits used for processor and memory design. Explain in some detail a modern microprocessor and how it can be connected to the other units to build a computer system. |
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| > | Introduction to digital electronics: |
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| -gates and voltage levels |
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| -technologies: bipolar and TTL |
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| -IC classification: SSI, MSI, LSI, VLSI |
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| > | Circuit types: |
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| -multiplexers |
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| -decoders |
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| -ALU, simple 4 function |
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| -shifter |
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| -clocks |
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| -memory circuits: ROM, PROM, EPROM, EEPROM |
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| > | Microcomputers |
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| Study the pin-out of a commonly used microprocessor |
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| Eg: 8086. Classify the function of the pins: |
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| -address and data lines |
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| -interrupt control: maskable and non-maskable priority |
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| -memory and I/O control |
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| -bus control - bus request and acknowledge |
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| -instruction queue (cache) control |
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| -miscellaneous: power, ground, reset etc. |
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| > | Explain how the microprocessor is connected to memory and I/O unit to perform read and write operations. |
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