Commercial help desk software packages are available for large help desk operations, but are too expensive for small-scale help desks.

Case-Based Critical Thinking Questions ? Case 13-3 ? Thomas wants to create a custom object using thenewoperator. He applies the following commands: var objName = new Object(); object.property = value; object.method = function() { commands }; The newObject()statement is equivalent to a(n) _____.

A. empty object literal B. prototype chain C. for…inloop D. base object

The virtual memory system supports up to ________ levels of page tables to locate the mappings between virtual pages and page frames.

a) 2 b) 3 c) 4 d) none of the above. The kernel supports an arbitrary number of levels.