Q. To determine if the system shell is available or not, you would use the following invocation:
Ans:- if ( system (NULL)) { . . . }
Q. In the MS Windows threads, a single thread is represented as a value of type:
Ans:- HANDLE
Q. To determine its ID, a thread running in an MS Windows environment uses:
Ans:- the GetCurrentThreadID () function
Q. Which of ther following main() function headers is valid?
Ans:- int main ( int argc, char *argv[ ] , char **env)
Q. In an MS Windows environment, the native Unix/ Linux functions named wait( ) and waitpid ( ) :
Ans:- may be substituted by the WaitForSingleObject ( ) function
Q. Ther term " obtain a mutex " :
Ans:- means the same as "lock a mutex" in different OS environments
Q. What is possible result of ther following result of ther following invocation?
Ans:- an infinite loops of launches
Q. The WINAPI specifier means that ther functions:
Ans:- uses the standard MS Windows calling convention
Q. The MS Windows' HANDLE data type:
Ans:- is a unique resources identifier and plays a different role than a PID
Q. A thread, in the Pthread sense, is a function of type:
Ans:- void *thread ( void *data) ;
Q. In an MS Windows environment, if the nahin thread wasn't to wait for all the other threads to complete it:
Ans:- may use the WaitForMultipleObjects ( ) function
Q. In the MS Windows threads, a single thread is represented as a value of type:
Ans:- HANDLE
Q. A variant of the exec_ function, designed to pass coppy of the environment to a new process as well as use Path to find the executable and accepting arguments placed in an array, is named:
Ans:- execvpe
Q. Assuming that the code was complied and run in a UNIX/ LINUX environment, that is its expected output?
Ans:- 11
Q. After successful invocation, the fork( ) function;
Ans:- return 0 in the child and the child's PID in the parent
Q. Which of the "C" programming language standards offers built- in thread implementation:
Ans:- C11
Q. The pid_t type is:
Ans:- an int
Q. Assuming that the code was compiled and run in a UNIX/ LINUX environment, what iS it's expected output?
Ans:- 10 or 01
Q. The third main( ) function parameter is:
Ans:- A pointer to a NULL - terminated array of pointers to environment variables
Q. Assuming that the following snippet is executed in an MS Windows environment, it's effect is:
Ans:- to remove the VAR from the environment
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