Version 1: Upon successful completion of the course, students will be able to: measure and describe the characteristics of electricity; describe the function and features of CPUs; describe the function of memory and describe various amounts of memory; define interrupt, IRQ, I/O address, DMA, and base memory address; install hard drives into a PC; identify serial and parallel ports, cables, and connectors; identify features of dot-matrix printers; install, use, and troubleshoot inkjet printers and laser printers; describe, install, and troubleshoot CRT and LCD displays; identify features of, use of, and ways to troubleshoot problems with laptop and notebook computers; manage directories and files; perform operating system maintenance tasks and troubleshoot operating system problems; identify components of a network and troubleshoot network connectivity problems; configure operating system and file system security; identify safety issues and hazards in the computer environment; maintain professionalism; ensure customer satisfaction; and track problems and their resolution. Version 2: Students will be able to: install and troubleshoot power supplies, CPUs, motherboards, memory, expansion cards, and data storage devices; maintain and troubleshoot printers and scanners; configure and troubleshoot mobile computer devices; manage files and directories, resources, and Windows remotely; monitor, maintain, and troubleshoot an operating system; implement a SOHO network; troubleshoot client side connectivity; and implement security on Windows computers.