TCM Practical Help Desk section 1 — what the course covers, how lessons are formatted, lab requirements, and how to ask for help well.
Updated §1
Help Desk
Each tab is a module or chapter — the broken-down cheat sheet for this resource.
TCM Practical Help Desk section 2 — what IT does, the IT org chart and roles, help desk tiers and responsibilities, and reading job postings.
Updated §2
TCM Practical Help Desk section 3 — binary, bits and bytes, character encoding, logic gates and how a CPU computes, compilers and abstraction.
Updated §3
TCM Practical Help Desk section 4 — ESD, CPU, RAM, drives, PSU, GPU, motherboard, ports and peripherals, POST and the BIOS, plus commands to inspect hardware.
Updated §4
TCM Practical Help Desk section 5 — opening laptops safely, batteries, SODIMM RAM, laptop drives, the CMOS battery and other internal parts.
Updated §5
TCM Practical Help Desk section 6 — what an OS does, kernel vs userland, file systems and partition styles, and file types, with commands to check each.
Updated §6