Quiz
Chapter 10 - OS2T
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Questions in this quiz (25)
1Static table-driven scheduling is applicable to tasks that are periodic.
- ATrue
- BFalse
2In the real-time-priority class, all threads have a fixed priority that never changes and all of the active threads at a given priority level are in a round-robin queue.
- ATrue
- BFalse
3User control is generally much broader in an ordinary operating system than in a real-time operating system.
- ATrue
- BFalse
4The operating system, and in particular the scheduler, is perhaps the most important component of a real-time system.
- ATrue
- BFalse
5One of the more promising methods of resolving multitask scheduling conflicts for periodic tasks is rate monotonic scheduling.
- ATrue
- BFalse
6A loosely coupled or distributed multiprocessor consists of a collection of relatively autonomous systems, with each processor having its own main memory and I/O channels.
- ATrue
- BFalse
7Real-time tasks are not handled any differently than non-real-time tasks in the priority queues.
- ATrue
- BFalse
8With independent parallelism there is an explicit synchronization among processes.
- ATrue
- BFalse
9One useful measure of the ability of an operating system to function deterministically is the maximum delay from the arrival of a high-priority device interrupt to when servicing begins.
- ATrue
- BFalse
10An application can be implemented as a set of threads, which cooperate and execute concurrently in the same address space.
- ATrue
- BFalse
11In most traditional multiprocessor systems processes are dedicated to processors.
- ATrue
- BFalse
12Because of the potential disadvantages, load sharing is not one of the commonly used schemes in current multiprocessors.
- ATrue
- BFalse
13An example of __________ is an I/O processor.
- ACluster multiprocessing
- BLoosely coupled or distributed multiprocesor
- CTightly coupled multiprocessor
- DFunctionally specialized processors
14[blank_start]_________[blank_end] perform static analysis of feasible schedules of dispatching with the result of the analysis being a schedule that determines, at run time, when a task must begin execution.
- AStatic table-driven approaches
15Typically, there will need to be a rather high degree of coordination and interaction among the threads of an application, leading to a [blank_start]_______[blank_end] level of asynchronization.
- Amedium grain
16The [blank_start]_________[blank_end] approach is a set of related threads scheduled to run on a set of processes at the same time, on a one-to-one basis.
- Agang scheduling
17A [blank_start]_________[blank_end] has an associated deadline that is desirable but not mandatory.
- Asoft real-time task
18In the [blank_start]________[blank_end] approach, a priority is associated with each resource.
- Apriority ceiling
19The multiprocessor system which consists of a set or processors that share a common main memory and are under the integrated control of an operating system is a [blank_start]________[blank_end].
- Atightly coupled multiprocessor
20With course and [blank_start]_____[blank_end] grained parallelism, there is synchronization among processes, but at a very gross level.
- Avery course
21A [blank_start]_________[blank_end] is one that must meet its deadline, otherwise it will cause unacceptable damage or a fatal error to the system.
- Ahard real-time task
22With the [blank_start]_______[blank_end] approach the number of threads in a process can be altered during the course of execution.
- Adynamic scheduling
23[blank_start]_________[blank_end] is the time required to execute the task to completion.
- AProcessing time
24 The basic idea of [blank_start]_________[blank_end] is that a lower-priority task inherits the priority of any higher-priority task pending on a resource they share.
- Apriority inheritance
25 _________ is the lowest-priority process, intended for user applications other than real-time applications.
- Areal-time
- Btime-shared
- Cvariable priority
- Dkernel
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- Quiz on Chapter 10 - OS2T, created by Rowan Kaag on 02/11/2015.
- Author
- Rowan Kaag
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- English
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