I assume this is just old content in the textbook, not something they are actually going to do.
The sad truth of all the IT textbooks aside from programming languages. Things change year to year and every single one I used was outdated to some degree or another. Core concepts are generally good.
You can build a computer of a certain budget and save some money and learn something along the way.
I remember some of the stuff on my earliest Cisco certifications was basically memorization of obsolete hardware. Not just obsolete but things that had maybe a year or two of practicality before they were replaced. Mid 2000s was an interesting time for PCs. Storage was beginning its plummet in pricing, so most backup techs aside from tape drives were tiny. Flash drives were quickly replacing floppy disks and since that meant USB was ubiquitous, most systems were well beyond the SIMM memory, math co-processors, and cache expansions that were major lines of questions.
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