东北大学软件学院操作系统BB习题
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-*Which function is used for starting a process?
-*Which is not one of the major differences between user-level threads and kernel-level threads?
-*In operating system, which sturcture is used for controlling and managing the process execution
+?When a process changes state, which of the following conversion will not occur?
-*If there are five processes in the system, how many processes at most may be under the waiting state at the same time.
-Which one of the followings is not a method for communication between processes.
+-*With indirect communication, the messages are sent to and received from__________.
-*Which information is not included in PCB
+-*One process may include many threads. Which one of the followings is not occupied by only thread?
+-In banch system, job scheduling program chooses multiple jobs from the job queue and put them into
?*The purpose of real-time operating system is
+-Which of the following statement is not true regarding system calls?
+*The main objective of time sharing system is
Which one is wrong with operating system?
+-In computer system, the technology that allows multiple programs enter the memory and execute at the same time is called
+*Which kind of operating systems has well-defined, fixed time constraints?
+*What is not the major activity of an operating system?
+In user program, operating system services are requested by
*Which of the following performs interrupt response
*Which element is not part of a microkernel?
management from a global viewpoint?
On designing batch system, we should first consider
+In multiprogramming system, operating system allocates resources in
resources, the running program should
The purpose of multiprogramming is
The operating system is __________.
which sate?
indicates
resource to become available?
executing special instructions