In most interfaces, output items appear in label controls, because users should not be able to edit the value of an output item while an application is running.

Excluding more than one thread from accessing shared data is referred to as _________

a) mutual exclusion. b) singular exclusion. c) thread synchronization. d) both a and c.

Consider the following function and code segment.

``` void One( int first, int & second ) { first = 17; second = first + 1; } int main() { // other code ... int j = 4; int k = 3; One(j, k); // other code .. } ``` After the call to One(j, k); what are the values of j and k? Why? a) j == 4, k == 3; b) j == 17, k == 18; c) j == 4, k == 18; d) j == 17, k == 3;