Task Scheduling Algorithms Overview

This video tutorial explains the decreasing time algorithm, which prioritizes tasks by completion time to create a schedule. It includes examples of creating priority lists and using the list processing algorithm for scheduling. The tutorial evaluates the efficiency of the schedule by comparing it to the critical time, highlighting potential improvements.

What is the primary goal of the Decreasing Time Algorithm?

• To complete the longest tasks as soon as possible

• To minimize the number of tasks

• To complete the shortest tasks first

• To maximize the number of processors used

In the Decreasing Time Algorithm, how are tasks ordered in the priority list?

• By alphabetical order

• From shortest to longest completion time

• By random selection

• From longest to shortest completion time

When two tasks have the same completion time, how does the Decreasing Time Algorithm prioritize them?

• By the task with the least dependencies

• By the task with the most dependencies

• By the task with the lowest number

• By the task with the highest number

What is the purpose of the List Processing Algorithm in task scheduling?

• To create a priority list

• To assign tasks to processors

• To determine task dependencies

• To calculate task durations

Which tasks are considered 'ready' in the List Processing Algorithm?

• Tasks with the highest priority number

• Tasks with the shortest duration

• Tasks with the longest duration

• Tasks with no prerequisite tasks

How many processors are used in the task scheduling example?

• Four

• One

• Two

• Three

What happens when a processor has no ready tasks to assign?

• It takes on additional tasks

• It completes tasks faster

• It remains idle

• It switches to another processor

What is the critical time in the context of task scheduling?

• The minimum time to complete the job

• The longest time to complete all tasks

• The average time to complete tasks

• The shortest time to complete a single task

How is the critical time determined?

• By finding the sequence of tasks with the shortest total time

• By finding the sequence of tasks with the highest total completion time

• By calculating the average time of all tasks

• By adding the time of the first and last tasks

What does the idle time of a processor indicate about the schedule?

• The schedule is too short

• The schedule has room for improvement

• The schedule is too complex

• The schedule is perfectly optimized