synch lock mutex

Question 1

________ restricts access to a shared variable to only one thread at any given time.

Answer 1

mutual exclusion

Question 2

________ is characteristic of deadlocked systems.

Answer 2

circular waiting

Question 3

The strategy of denying the “circular-wait” condition ________.

Answer 3

creates a linear ordering of resources

Question 4

The solution to the Dining Philosophers problem must \_\_\_\_\_\_\_\_.
prevent deadlock
prevent starvation
ensure mutual exclusion
all of the above

Answer 4

all of the above

Question 5

If a process is given the task of waiting for an event to occur, and if the system includes no provision for signaling that event, then we have ________.

Answer 5

one process deadlock

Question 6

________ code is not modified as it executes and may be shared by several processes simultaneously.

Answer 6

re entrant

Question 7

Preventing more than one thread from accessing a shared variable simultaneously is known as ________ access to the shared variable.

Answer 7

serializing

Question 8

Threads that operate independently of one another but must occasionally interact to perform cooperative tasks are said to execute ________.

Answer 8

asynchronously