Real-Time Operating System : MCQ

1. Match the proportion of tasks in a system

   Real time Tasks (Sporadic)
   Real time Tasks (Periodic)
   Real time tasks (Aperiodic)

The correct answer is: Real time Tasks (Sporadic) – 19, Real time Tasks (Periodic) – 2, Real time tasks (Aperiodic) – 49


2. Match the proportion of tasks in a system

Real time Tasks (Periodic)
Real time tasks (Aperiodic)
Real time Tasks (Sporadic)

The correct answer is: Real time Tasks (Periodic) – 2, Real time tasks (Aperiodic) – 49, Real time Tasks (Sporadic) – 19

3. Which scheduling algorithm is used to schedule periodic tasks

a. Deferrable server
b. IRIS
c. Total Bandwidth preserving algorithm
d. Priority Driven Scheduling Algorithm
e. Clock Driven Scheduling Algorithm
Clock Driven Scheduling Algorithm schedules periodic tasks

The correct answer is: Clock Driven Scheduling Algorithm

4. Which scheduling Algorithm schedules tasks proportionately

a. Clock Driven Scheduling
b. IRIS
c. Laxity based scheduling
d. Round robin scheduling
Round robin scheduling uses a time slice
e. Priority driven scheduling

Your answer is correct.
The correct answer is: Round robin scheduling

5. Which type of real time system has a stringent deadline

Select one:
a. Open loop System
b. Closed loop System
c. Hard real time System
d. Soft real time system

The correct answer is: Hard real time System


6. Which real time system would be a hard real time system

Select one or more:
a. Washing machine
b. Automated car driving
This is a hard real time system
c. Playing a video game
d. Aircraft application
Aircraft is a hard real time system
e. Battery operated Toys

The correct answer is: Aircraft application, Automated car driving


7.Which real time system is soft real time

a. Boiler water control
b. Washing machine
This is a soft real time system
c. Battery operated toys
This is a soft real time system
d. Automated car application
e. Aircraft Application

The correct answer is: Battery operated toys, Washing machine

8. Which scheduler is used to schedule tasks in an online manner

The correct answer is: Non-uniform laxity based scheduler

9. Embedded System is a firmware

True
False
The correct answer is 'True'.

10. In a real time system will not scheduling sporadic tasks generate a feasible schedule
True
False

The correct answer is 'False'.

FITNESS GOAL Post #1

=====================FITNESS GOAL============================

5 Meals a day

POST #1 #BEFIT & #AWESOME….

Dividing our daily intake into several meals has several advantages to our health, and to burn fat:

• A higher rate occurs in burning calories.
• We will have more energy.
• We will improve the absorption and digestion of food or nutrients by the body.
• We will have less temptation to snack on unhealthy foods.