Users can check their Google Calendars on which of the following devices?

The correct choice highlights the versatility of Google Calendar across multiple platforms. Users can access their Google Calendars on smartphones, tablets, and laptops, taking advantage of the cloud-based nature of Google services that allow synchronization of information across various devices. This means that no matter where a user is or which device they are using, they can check their schedule, add events, and receive notifications seamlessly.

Smartphones and tablets allow for on-the-go access, making it easy to stay organized anywhere, while laptops provide a larger screen for a more comprehensive view of the calendar, which can be useful for managing larger projects or events. This multi-device access is crucial for individuals who need to manage their time effectively in different contexts, such as work, home, or while traveling.

In contrast, the other options either limit the devices to those not widely used for Google Calendar access or are incorrect in including devices like smart TVs or certain specialized gadgets that may not support the Google Calendar interface fully.