Question 61 : Which one of the following is not a real time operating system?
1. VxWorks
2. Windows CE
3. RTLinux
4. Palm OS
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Question 62 : Which facility dynamically adds probes to a running system, both in user processes and in the kernel?
1. DTrace
2. DLocate
3. DMap
4. DAdd
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Question 63 : If a process fails, most operating system write the error information to a ______
1. log file
2. another running process
3. new file
4. none of the mentioned
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Question 64 : By operating system, the resource management can be done via
1. time division multiplexing
2. space division multiplexing
3. both time and space division multiplexing
4. none of the mentioned
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Question 65 : The main function of the command interpreter is
1. to get and execute the next user-specified command
2. to provide the interface between the API and application program
3. to handle the files in operating system
4. none of the mentioned
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Question 66 : Which one of the following error will be handle by the operating system?
1. power failure
2. lack of paper in printer
3. connection failure in the network
4. all of the mentioned
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Question 67 : Which one of the following is not true?
1. kernel is the program that constitutes the central core of the operating system
2. kernel is the first part of operating system to load into memory during booting
3. kernel is made of various modules which can not be loaded in running operating system
4. kernel remains in the memory during the entire computer session
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Question 68 : To access the services of operating system, the interface is provided by the
1. System calls
2. API
3. Library
4. Assembly instructions
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Question 69 : What is operating system?
1. collection of programs that manages hardware resources
2. system service provider to the application programs
3. link to interface the hardware and application programs
4. all of the mentioned
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