Memory System of the Processor

Question 1

What are the two main sections of PLC memory?

Answer 1

executive, user

Question 2

A PLC with a 64 K memory would be considered to be:

a. relatively small
b. relatively large
c. about average

Answer 2

b. relatively large

Question 3

A ladder diagram program is always backed up with some sort of PROM or NOVRAM memory. True or False?

Answer 3

False

Question 4

What type of memory would be used to store a program that monitors battery status, and in which section of a memory map would the program reside?

Answer 4

executive, ROM