Operating System

Question 4 True or False: A computer that uses memory-mapped I/O, accesses hardware by reading and writing to specific memory locations, using the same assembly language instructions that the computer would normally use to access memory.

Select one: True False

Question 8 True or False: Race condition occurs when two or more processes access a shared resource uncontrollably, so the combined result of this access depends on the order of arrival. This condition can be avoided via mutual exclusion.

Select one: True False

Question 10 True or False: Multiple threads are tasks or processes which a CPU may execute simultaneously.

Select one: True False

Question 20 Multiple threads accessing a resource DO NOT create problems only if which condition is true:

Select one: a. One or more of the threads read to these resources b. One or more of the threads write to these resources c. Resources DO NOT change d. Race conditions