Question

Waiting time is :

a) the total time in the blocked and waiting queues
b) the total time spent in the ready queue
c) the total time spent in the running queue
d) the total time from the completion till the submission of a process

Answer 1

Waiting time usually refers to the total time a process spends in the ready queue before execution on the CPU, corresponding to option b) in the choices given.

Step-by-step explanation:

The question relates to the concept of waiting time in the context of computer processes and operating systems. Waiting time can be understood in different ways depending on the context of the operating system's scheduling. The options provided correspond to different phases or states in a process's lifecycle within an operating system:

1. The total time in the blocked and waiting queues.
2. The total time spent in the ready queue.
3. The total time spent in the running queue.
4. The total time from the completion till the submission of a process.

Among these options, waiting time typically refers to the total time a process spends in the ready queue before it gets its turn to execute on the CPU, which corresponds to option b).