Answer: C) More user-friendly
Explanation: Technology is the main source that that gets converted from the information and knowledge to the practical use in the from of process, skill, working, etc to achieve the desired goal or activity. E.g;,- internet , computer system etc.
Due to the up-gradation in the technology the external elements referred as peripheral devices that are bonded with the technology have also improved their quality. Peripheral devices are considered to be user-friendly by facing advancement.
Other options are incorrect because external devices have not become big, slow or difficult for purchasing.Thus, the correct option is option(C).