Solapur-University-M.Sc. – Electronics (Semester-II)-2019-On Real Time Operating System
| Sr.No | Questions with multiple options |
| 1. | The ____ multitasking is also called cooperative multitasking.
(a) Preemptive multitasking (b) Non-preemptive multitasking (c) Both a and b (d) None of these |
| 2. | _____ specifies the task waiting order and enables task deletion safety.
(a) Mutex (b) Task (c) Kernel (d) None of these |
| 3. | Which of the following are the registers that are used for controlling the ADC conversion in the AVR?
(a) ADCSRA (b) ADMUX (c) SPIOR (d) All of the mentioned |
| 4. | Binary semaphore will take the value of ____
(a) One (b) Zero (c) Either zero or one (d) None of these |
| 5. | Which one of the following is a real time operating system?
(a) RTLinux (b) VxWorks (c) Windows CE (d) All of these |
| 6. | Embedded systems in which some specific work has to be done in a specific time period are called ______
(a) Real-time systems (b) Stand-alone systems (c) Both a and b (d) None of these |
| 7. | Hard real time operating system has ___ jitter than a soft real time operating system.
(a) Less (b) More (c) Equal (d) None of these |
| 8. | Which frequency is not recommended for SPI clock?
(a) fosc/4 (b) fosc/64 (c) fosc/16 (d) Fosc/2 |
| 9. | For real time operating systems, interrupt latency should be ____
(a) Minimal (b) Maximum (c) Zero (d) Dependent on the scheduling |
| 10. | A task is said to be in Ready to Run state, if it is waiting in a queue for the _____ time.
(a) Kernel (b) CPU (c) Object (d) None of these |
| 11. | As the problem of priority inversion can be solved by _____
(a) Priority inheritance protocol (b) Priority inversion protocol (c) Both a and b (d) None of these |
| 12. | What is the temperature for LM35 sensor if the analog output is 0011 11001?
(a) 39 (b) 9 (c) 57 (d) 35 |
| 13. | A task post the message queue and another tasks will read the message ____ kernel object is used.
(a) Mailbox (b) Message queue (c) Mutex (d) All of these |
| 14. | The RTLinux command is used to ____
(a) Add a module (b) Remove a module (c) Find the status of (d) All of these |
| Data Collected By – K. Jeyanthi | |
| Published On – 13th Nov 2021 | |
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