An instance of _________ describes the errors caused by your program and external circumstances. These errors can be caught and handled by your program.

Which of the following can be leveraged to allow the use of legacy applications that will not run on newer operating systems?

A. clustering B. virtualization C. NAT D. firmware updates

(Write Your Own String Copy and Concatenation Functions) Write two versions of each string-copy and string-concatenation function in Fig 22.21. The first version should use array sub- scripting, and the second should use pointers and pointer arithmetic.

What will be an ideal response?