Electrical EngineeringProgrammable Logic Controller Lab →List Of Experiments

Implementation of Logic Gates

1. The logical AND function is similar to
a) Combination of series- parallel contacts
b) Contacts in parallel
c) Contacts in series

2) The logical OR function is similar to
a) Contacts in parallel
b) Contacts in series
c) Combination of series- parallel contacts

3) Which of the following logic operators are available in PLC?
a) AND, OR
b) NOT
c) All of the above

4) What is the output of NOR block if any one of the input is high or active or true
a) 1
b) 0
c) Can’t say

5) What is the output of NAND block if any one of the two inputs is high or active or true
a) 1
b) 0
c) Can’t say