SYSC 2320 Study Guide - Quiz Guide: Binary Number, Computer Engineering

• School: Carleton University
• Department: Systems and Computer Engineering
• Course: SYSC 2320
• Professor: Gohary

Document Summary

What is that range if the binary number represents a signed integer: consult the ascii table for this question. What is the di erence between the representation of a", A , a" and a : it is desired to have a 2-to-4 decoder. However, only a 3-to-8 decoder like the one shown in figure 1 is available. Show how to connect the 3-to-8 decoder to obtain a 2-to-4 one: suppose that you have two 2-to-4 decoder shown in figure 2 and it is desired to have a 3-to-8 decoder. The enable" input of the 2-to-4 decoders works as follows: if enable=1, the decoder works normally. If enable=0, all outputs of the decoder are 0. Show how the 2-to-4 decoders are going to be connected to construct the desired 3-to-8 decoder. Hint: use a not gate: consider the circuit with the 2 ip- ops shown in figure 3 gure. Suppose that originally q0 = q1 = 0.