App tiles enable you to move quickly between open apps by clicking on one of the thumbnails

Communication is a critical piece of social networking, beyond sharing information

Indicate whether the statement is true or false

What is this checking for?

In the array based implementation of the stack is an if statement if (top < MAX_STACK – 1) … // a. a null pointer error b. does the stack have room for a new entry c. is the array empty d. where should we put the new entry