$1$ Explain the difference between using a computer program and programming a computer.

Which parts of a computer can store program code? Which can store user data?

Which parts of a computer serve to give information to the user? Which parts take user input?

A toaster is a single$-$function device, but a computer can be programmed to carry out different tasks. Is your cell phone a single$-$function device, or is it a programmable computer? $($Your answer will depend on your cell phone model.$)$

Explain two benefits of using Java over machine code.

On your own computer or on a lab computer, find the exact location $($folder or directory name$)$ of

a$.$ The sample file Helloprinter, java, which you wrote with the editor.

b$.$ The Java program launcher java.exe or java.

c$.$ The library file rt$.$ jar that contains the run$-$time library.