Final answer:
Amateur computer hackers with little programming expertise are called skiddies, who illegally gain access to computer systems using pre-written scripts by others.
Step-by-step explanation:
Amateur computer hackers with little programming expertise who illegally gain access to computer systems using programs (scripts) that others have written are called skiddies.
Skiddies rely on ready-made tools and scripts created by more skilled hackers to carry out their attacks. They may not have a deep understanding of programming or computer systems, but they can still cause significant damage.