Computer Concept Courses (CCC) Practice Test 2026 - Free Practice Questions and Study Guide

The choice indicating that all of the devices listed are typically connected through a USB port is correct because USB (Universal Serial Bus) has become a standard connection method for a wide variety of peripherals.

Keyboards used for computers often utilize USB connections to facilitate easy plug-and-play functionality, making installation straightforward and eliminating the need for additional drivers in many cases. Additionally, printers have mostly adopted USB connectivity, allowing them to communicate directly with computers for printing tasks. External hard drives also commonly use USB ports to connect to computers, providing a reliable and efficient means of transferring data, backing up information, and increasing storage capacity.

The versatility and convenience of USB connections have led to their widespread adoption across various types of peripheral devices, making "all of the above" the most accurate answer.