Basic Computer Architecture - Basic Computer Architecture...

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Basic Computer Architecture Lab 5 Objective The objective of this lab is to learn more about basic computer operation by observing the Motorola 68HC12 microcontroller executing two small programs. This lab also provides opportunity to build a two adder circuit, a full-adder, and a parallel adder. Procedure Part 1 For the first part of this lab we designed a full-adder circuit using two ICs, 7486 and 7400. The logic diagram for the full adder is below (Diagram 5.1). We connected the circuit and recorded our truth table for the circuit. (Table 5.1) Diagram 5.1 Table 5.1 x y z C S 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1
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Part 2 For the second part of this experiment we left the full adder connected on the bread-board and in a different location used IC type 7483 to connect a four-bit binary parallel adder as seen on the following page in Figure 5.1. We then test the circuit and recorded the truth table in Table 5.2. Also in Table 5.2 we converted the outputs from binary to Decimal and to the Signed-2’s Complement.
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Table 5.2
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Basic Computer Architecture - Basic Computer Architecture...

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