he Acer Chromebook C720 series, including the model zhn, is a line of Chrome OS-based laptops that were popular in the mid-2010s. Chromebooks are known for their simplicity, speed, and affordability, making them a popular choice for students and users who primarily need a device for web browsing, email, and basic productivity tasks. Here are some general specifications and features of the Acer Chromebook C720 series: 1. Processor: The C720 series typically came with Intel Celeron processors. These processors were energy-efficient and provided decent performance for everyday tasks. 2. 
 3. Display: The C720 series usually featured an 11.6-inch display with a resolution of 1366 x 768 pixels. While not high-resolution, it was sufficient for typical Chromebook usage. 4. RAM: These Chromebooks typically came with 2GB or 4GB of RAM. The amount of RAM would affect multitasking capabilities. 5. Storage: The C720 series often featured 16GB or 32GB of internal storage, which was limited compared to traditional laptops. However, Chromebooks are designed to rely on cloud storage and web applications. 6. Operating System: Chrome OS is the operating system used on these devices. It's a lightweight, web-centric OS developed by Google, which primarily relies on web applications and cloud storage. It also allows you to use Android apps from the Google Play Store. 7. Battery Life: Chromebooks are known for their excellent battery life. Depending on the usage, you could expect several hours of use on a single charge. 8. Connectivity: The C720 series typically came with Wi-Fi connectivity but may not have had built-in cellular options. They also had USB ports, an HDMI port, and an SD card reader for expandable storage. 9. Design: Acer's Chromebooks in this series generally had a compact and lightweight design, making them highly portable.