5 and 5

13 and 11

14 and 11

to ensure that there is only one reader accessing the database at any given time

to block any writer that wants to access the database

to prevent readers after the first one from blocking on the semaphore db

Some philosophers do not put their forks back on the table

All the philosophers eat at the same time

All the philosophers take their left forks at the same time

The plates

The forks

The spaghetti

the consumer is blocked when the producer sends it a wakeup

the consumer is not asleep when the producer sends it a wakeup

the producer is not able to call wakeup(consumer)

mutex

N

execute a loop for a specific amount of time

execute a loop that checks whether a certain condition is met 

stay in ready state until it is picked by the scheduler, and then it will enter the critical region