Single Choice Questions (10 Questions, Each 2 Points, Total 20 Points) 1. Generally speaking, which one is not the major

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Single Choice Questions 10 Questions Each 2 Points Total 20 Points 1 Generally Speaking Which One Is Not The Major 1 (25.14 KiB) Viewed 43 times

Single Choice Questions (10 Questions, Each 2 Points, Total 20 Points) 1. Generally speaking, which one is not the major concern for an operating system in the following four options?( ) A.Manage the computer B.Manage the system resources C.Design and apply the interface between user's program and computer hardware system D.High-level programming language complier 2. The concurrent process is refers to ( ) A. The process can be run in parallel B.The process can be run in order C.The process can be run in the same time D.The process can not be interrupted 3. The orderly use of resources allocation strategy can destroy the condition ( ) to avoid deadlock. A.Mutual exclusive B.Hold and wait wwwwwwww C.No preemption D.Circular wait Акти
4. User's applications use the system resources to complete its operation by the support and services of ( ) A.clicking the mouse B.Keyboard command C.System call D.Graphical user interface 5. When there are fewer number of channels in system it may cause "bottlenecks”. To solve this problem, which of the follow options is not the effective way?( ) A improving the speed of CPU B.Using the virtual device technology
C.Adding some hardware buffer on the devices D.Increasing the path between devices and channels 6. The following description of device management, which one is not correct?( ) A.All external devices are managed by the system in uniform B.Channel is a software of controlling input and output C.The I/O interrupt events from the I/O channel are managed by device management D.One of the responsibility of the operating system is to use the hardware effectively 7. Generally speaking, we can deal with deadlock problem in three ways. Deadlock prevention is based on ( ) A.allocate enough system resources B.make a reasonable process C.one of the destruction of the four necessary conditions D.prevent the system go into a state of insecurity. 8. In the page-replacement algorithm, which one can phenomenon? () A.FIFO B.LRU C.CLOCKING D.OPT cause the Belady wwwwwwwwww Ak D
9. The actual capacity of virtual memory is equal to ( ) A.The capacity of external memory(disk) B.The sum of the capacity of external memory and main memory C.The space that the CPU logical address gives D. The smaller one between the option B and C 10. The operating system used (), it realized a mechanism that we can use more space to save more time. A.SPOOLING B. Virtual storage C.Channel D.Overlay