SAN JOSÉ STATE UNIVERSITY E10 Introduction to Engineering Homework #3 Fall 2020. Complete Q&A

SAN JOSÉ STATE UNIVERSITY E10 Introduction to Engineering Homework #3 Fall 2020. Complete Q&A SAN JOSÉ STATE UNIVERSITY E10 Introduction to Engineering Homework #3 Fall 2020 1. (6 pts) What are the value of the variables ‘A’ and ‘B’ at end of the following program? Show your reasonin g. Void main (void) { int A; int B; int C; A=5; B=2; C=A*B; A=C*2; B=A/4; C=A - B; if ((C – BA) { A=5; B=C;} else { A=6; B=0; } SAN JOSÉ STATE UNIVERSITY E10 Introduction to Engineering 2. (6 pts) What is the value of the variable ‘A’ at end of the following program? Show your reasoning. Void main (void) { int A; int COUNT; A=1; COUNT=0; while (COUNT 5) { if (COUNT2) { A=A+4; } else { A=A+COUNT; } COUNT = COUNT +1; SAN JOSÉ STATE UNIVERSITY E10 Introduction to Engineering 3. (6 pts) Find and indicate all of the errors in the following program. (Hint: one of the errors has to do with an unwanted infinite loop) void main(void) { int P; int Q; int R; P = 30; Q = 0; R= 4; if ( P R;) { Q = R - P; R= 0; if ( Q=0) { S = P + Q +R ;} P =2; while (P 20) { S=P+1; Q=Q+1; R= R+1 4. (3 pts) What is the difference between a digital signal and an analog signal? Hint: Read lecture PowerPoints 5. (3 pts) There are 5 red LEDs on the electronic board (IRB). Describe what it means when they are on. The answer to this is found in the robot documentation on the web site. Hint: read Robot Guidelines. 6. (6 pts) You are developing an EasyC program for a robot with two motors and four sensors (two bumper switches and two limit switches) to perform the following tasks: