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CSE120 Hardware Lab 1

CSE120 Hardware Lab 1 - Introduction In this lab the...

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Introduction In this lab, the expected learning objectives were to understand how to use TTL ICs to build and debug logic circuits and understand how to use the exclusive OR operator with both the sum-of- product and product-of-sum forms. After the completion of the lab, I will understand how to use truth tables to prove the expected outcomes of a half-adder and a full-adder, be able to prove the POS and SOP forms of the sum and carry functions of a half-adder and a full-adder using a Boolean expression, use TTL hardware to build both the sum and carry functions of a half adder and a full adder, and debug circuits using a Logic Probe and the LEDs. Experiment Results Task 1-1: Build the 1-Bit Half-Adder Task 1-1: Task Statement In the task, I was asked to use the design in the lab manual to build a 1-bit half-adder. I was also asked to use the switches to toggle both the A and B inputs to view the output of both the sum and carry functions as these inputs changed. Task 1-1: Work Preformed In this task, I used the design for the 1-bit half-adder from the lab manual and replicated it on a breadboard. I acquired the following ICs: 7404-NOT, 7432- OR and 7408-AND. I placed these ICs over the top gutter in the order described before. I then connected the +5 volts and grounded the bus. After that, I made sure to give each chip the +5 volts and grounded them. I then connected the necessary wires to each IC and mimicked the design given in Figure 1 to complete the 1-bit half-adder. Figure - Block Diagram of 1-Bit Half-Adder Task 1-1: What I Learned
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In this task, I learned how to build a circuit with two inputs and two outputs using a breadboard. I also learned how to replicate a circuit given a design.
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