Question 51 : Which system call returns the process identifier of a terminated child?
1. wait
2. exit
3. fork
4. get
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Question 52 : A process stack does not contain
1. Function parameters
2. Local variables
3. Return addresses
4. PID of child process
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Question 53 : A set of processes is deadlock if
1. each process is blocked and will remain so forever
2. each process is terminated
3. all processes are trying to kill each other
4. none of the mentioned
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Question 54 : What is interprocess communication?
1. communication within the process
2. communication between two process
3. communication between two threads of same process
4. none of the mentioned
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Question 55 : What is the ready state of a process?
1. when process is scheduled to run after some execution
2. when process is unable to run until some task has been completed
3. when process is using the CPU
4. none of the mentioned
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Question 56 : A process can be terminated due to
1. normal exit
2. fatal error
3. killed by another process
4. all of the mentioned
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Question 57 : In Unix, Which system call creates the new process?
1. fork
2. create
3. new
4. none of the mentioned
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Question 58 : In operating system, each process has its own
1. address space and global variables
2. open files
3. pending alarms, signals and signal handlers
4. all of the mentioned
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Question 59 : The systems which allows only one process execution at a time, are called
1. uniprogramming systems
2. uniprocessing systems
3. unitasking systems
4. none of the mentioned
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Question 60 : The OS X has ____________
1. monolithic kernel
2. hybrid kernel
3. microkernel
4. monolithic kernel with modules
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