Homework 2 for ECE 109 / CSCI 255

Due date

This assignment is due in class or to my office assistant in RH 215 by 4:30 pm on 10 February.

Problem 1

Convert the following decimal numbers into 32-bit IEEE floating point representation:

  1. 0.25
  2. -25.0

Problem 2

Draw a CMOS implementation of a three-input OR gate.

Problem 3

Write the truth table that corresponds to the following three-input circuit implemented with CMOS transistors. [Circuit taken from NCSU ECE 109 homework.]
CMOS circuit

Problem 3

Write the truth table that corresponds to the following three-input circuit implemented with logic gates. [Circuit taken from NCSU ECE 109 homework.]
Logic circuit