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Final answer:You can customize system software settings like screen resolution and keyboard settings. However, the number of USB ports and the amount of RAM or ROM are hardware components that can't be adjusted through software.Explanation:When a device is purchased, itssystem softwareis already equipped with certain pre-set configurations. Some of these can be modified according to your preference. Among the options mentioned, you can change the screen resolution and keyboard settings, which could potentially involve adjustments to the keyboard width if such a feature is supported on your device. However, the number of USB ports and the amount of RAM or ROM are hardware components of a device and cannot be altered through software settings.Learn more about System Software Customization here:brainly.com/question/24207666#SPJ11...