A zombie process is a process that has:

Question

BlackTom AI · Accepted Answer

The question asks about the nature of a zombie process, so we examine what each option implies about a process's state.
Option a: 'Finished execution but still has an entry in the process table.' This matches the classic definition of a zombie process: the process has completed its execution, but its entry in the process table remains to allow the parent process to read its exit status. This state preserves a small amount of information (PID, exit code) until the parent acknowledges it.
Option b: 'Been swapped out of memory.' Swapping out implies the process is temporarily moved out of main memory to disk, which is a memory-management detail and does not describe a zombie. A swapped-out process is not defined by lingering in the process table after termination.
Option c: 'Been terminated abnormally.' Abnormal termination means the process ended due to a signal or fault, but in that case there would typically be no zombie state to preserve; such a process is considered terminated, and no entry is kept for post-termination status in the same sense as a zombie.
Option d: 'Lost its parent process.' Losing a parent does not by itself define a zombie state. A zombie is specifically linked to the completion of execution while awaiting parent acknowledgment; a missing parent would lead to a reparenting (to init) but does not constitute being a zombie.
In summary, each option contrasts common misconceptions with the precise zombie-state behavior: only the first describes a process that has finished but remains in the process table awaiting the parent’s read of its exit status. The others describe different concepts (memory paging, abnormal termination, or parent relationship) that do not define a zombie.

A zombie process is a process that has:单项选择题

类似问题

State transitions in Five-State Process Model, add names to the states 1-5 as shown the diagram below: 1: new 2: ready 3: waiting 4: running 5: terminated

A process in the _________ state is in main memory and available for execution when the scheduler will select it next, but not running right now

What is the running state of a process?

When a process is created, it is initially in which state?

Question at position 8 An excess of growth hormone (GH) before puberty can result in the development ofgigantism.Graves' disease.acromegaly.pituitary dwarfism.Clear my selection

Question at position 6 The most abundant supporting cells in the central nervous system are called Question Blank 1 of 1[input].

Question at position 5 In the eye, the lens functions tofocus light on the retina at the back of the eye.protect the surface of the eye.increase vision in low-light conditions.move the eye side to side.Clear my selection

Question at position 4 Olfactory (odor) receptors are chemoreceptors. TrueFalse

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单