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Embedded Real Time Operating System Practice Test
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Avg score: 78% • Most missed: “Which one of the following is a real time operating system?”
A real-time operating system (RTOS) is an OS that guarantees real-time applications a certain capability within a specified deadline. RTOSes are designed for critical systems and for devices like microcontrollers that are timing-specific. RTOS processing time requirements are measured in milliseconds. Any delays in responding could have disastrous consequences. Real-time operating systems have similar functions as general-purpose OSes (GPOSes), like Linux, Microsoft Windows or macOS, but are designed so that a scheduler in the OS can meet specific deadlines for different tasks. RTOSes also... Show more
Embedded Real Time Operating System Practice Test
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25 Questions

1. Which of the following can determine if two masters start to use the bus at the same time?
2. Antilock brake systems, flight management systems, pacemakers are examples of
3. Devices that use the ____ bus are self-configuring.
4. The asynchronous BUS mode of transmission allows for a faster mode of data transfer.
5. Time duration required for scheduling dispatcher to stop one process and start another is known as ____________
6. In which scheduling certain amount of CPU time is allocated to each process?
7. Which is the single device capable of providing prototyping support for a range of microcontroller?
8. Which method of multiple secondary communication in TDMA is acquired/adopted by bluetooth especially where data integrity becomes more crucial than avoiding latency?
9. Which scheme/ strategy is suitable to establish the communication between the access point (AP) and the infrastructure of LANs?
10. Some of the properties of real time systems include ____________
11. The step where in the results stored in the temporary register is transferred into the permanent register is called as ______
12. VxWorks is centered around ___________
13. What kind of socket does an external EPROM to plugged in for prototyping?
14. LRT schedules all the job backward from …………………... of all the job in priority driven manner to the current time.
15. The usual BUS structure used to connect the I/O devices is ___________
16. Which protocol standard of serial communication specify the bi-directional and half-duplex form of data transmission by allowing various numbers of drivers and receivers in bus configuration?
17. How buffers are enabled in the parallel ports?
18. ______ is a technology that allows telephone calls to be made over computer networks like the Internet.
19. State whether the following statements are True or False for the features of real time operating system. i) fast process or thread switch ii) ability to respond to external interrupts quickly. iii) minimization of intervals during which interrupts are enabled. iv) preemptive scheduling based on priority
20. Which abstraction level undergo the compilation process by converting a sequential program into finite-state machine and register transfers while designing an embedded system?
21. if jobs have unpredictable release times, a task is termed :
22. Time required to synchronous switch from the context of one thread to the context of another thread is called?
23. In real time operating system ____________
24. The system developed by IBM with ISA architecture is ______
25. Advantages of SPI are…..

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