The CPU is the working principle
The appropriate response is Electrical Switches. These are electromechanical gadgets that are utilized as a part of electrical circuits to control, recognize when frameworks are outside their working reaches, flag controllers of the whereabouts of machine individuals and work pieces, give a way to manual control of machine and process capacities, control lighting, et cetera.
Answer:
class Db_test(models.Model):
name = models.CharField(max_length=50)
comment = models.CharField(max_length=200)
created = models.DateField(auto_now_add=True)
modified = models.DateField(auto_now=True)
class Meta:
db_table = "db_test"
Explanation:
