Point out proper answer about the difference between below source codes for the execution of external commands if (fork() == 0) { execve(path, args, env); exit(1); } and FILE *fp = popen(path, “r”); if (fp) { pclose(fp); }

How many types of templates are there in C++?

Which of the following statement is correct?

Which of the following statement is correct?

Study and select proper answer? ifdef defined(__x86_64__) static inline unsigned long long rdtsc(void) { unsigned hi, lo; asm volatile ('rdtsc' : '=a'(lo), '=d'(hi)); return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 ); } elif defined(powerpc) static inline unsigned long long rdtsc(void) { unsigned long long int result=0; unsigned long int upper, lower,tmp; asm volatile( '0: \n' '\tmftbu %0 \n' '\tmftb %1 \n' '\tmftbu %2 \n' '\tcmpw %2,%0 \n' '\tbne 0b \n' : '=r'(upper),'=r'(lower),'=r'(tmp) ); result = upper; result = result<<32; result = result|lower; return(result); } endif

How to make the C/C++ source can be built for any architecture,select proper answer?

Destructor has the same name as constructor and it is preceded by ___?

If a copy constructor receives its arguments by-value, the copy constructor will ____.

A constructor that accepts ____ parameters is called default constructor.

Which constructor function is designed to copy objects of the same class type?

Which of the following statements are correct? (Choose all that apply)