Process
1. The systems which allows only one process execution at a time, are called
a) uniprogramming systems
b) uniprocessing systems
c) unitasking systems
d) none of the mentioned
a) uniprogramming systems
b) uniprocessing systems
c) unitasking systems
d) none of the mentioned
Answer:a
Explanation:Those systems which allows more than one process execution at a time, are called multiprogramming systems. Uniprocessing means only one processor.
Explanation:Those systems which allows more than one process execution at a time, are called multiprogramming systems. Uniprocessing means only one processor.
2. In operating system, each process has its own
a) address space and global variables
b) open files
c) pending alarms, signals and signal handlers
d) all of the mentioned
a) address space and global variables
b) open files
c) pending alarms, signals and signal handlers
d) all of the mentioned
3. In Unix, Which system call creates the new process?
a) fork
b) create
c) new
d) none of the mentioned
a) fork
b) create
c) new
d) none of the mentioned
Answer:a
Explanation:None.
Explanation:None.
4. A process can be terminated due to
a) normal exit
b) fatal error
c) killed by another process
d) all of the mentioned
a) normal exit
b) fatal error
c) killed by another process
d) all of the mentioned
5. What is the ready state of a process?
a) when process is scheduled to run after some execution
b) when process is unable to run until some task has been completed
c) when process is using the CPU
d) none of the mentioned
a) when process is scheduled to run after some execution
b) when process is unable to run until some task has been completed
c) when process is using the CPU
d) none of the mentioned
Answer:a
Explanation:When process is unable to run until some task has been completed, the process is in blocked state and if process is using the CPU, it is in running state.
Explanation:When process is unable to run until some task has been completed, the process is in blocked state and if process is using the CPU, it is in running state.
6. What is interprocess communication?
a) communication within the process
b) communication between two process
c) communication between two threads of same process
d) none of the mentioned
a) communication within the process
b) communication between two process
c) communication between two threads of same process
d) none of the mentioned
Answer:b
Explanation:None.
Explanation:None.
7. A set of processes is deadlock if
a) each process is blocked and will remain so forever
b) each process is terminated
c) all processes are trying to kill each other
d) none of the mentioned
a) each process is blocked and will remain so forever
b) each process is terminated
c) all processes are trying to kill each other
d) none of the mentioned
Answer:a
Explanation:None.
Explanation:None.
8. A process stack does not contain
a) function parameters
b) local variables
c) return addresses
d) PID of child process
a) function parameters
b) local variables
c) return addresses
d) PID of child process
Answer:d
Explanation:None.
Explanation:None.
9. Which system call returns the process identifier of a terminated child?
a) wait
b) exit
c) fork
d) get
a) wait
b) exit
c) fork
d) get
Answer:a
Explanation:None.
Explanation:None.
10. The address of the next instruction to be executed by the current process is provided by the
a) CPU registers
b) program counter
c) process stack
d) pipe
a) CPU registers
b) program counter
c) process stack
d) pipe
Answer:b
Explanation:None.
Explanation:None.
All the best for your exams @Mission IT SO 2016
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