His notebook is called a laptop in English.

A laptop, also known as a notebook, is a portable personal computer that combines a display, keyboard, and pointing device (such as a trackpad or trackball) in a single unit. Laptops are considered the modern equivalent of desktop computers and are designed for mobility and convenience. They are powered by rechargeable batteries and can be used almost anywhere, making them ideal for people who need to work on the go.
The word "laptop" originated from the idea that these computers could be used on one's lap, providing a more comfortable alternative to traditional desktop computers. Laptops are typically smaller and lighter than desktop computers, making them easy to carry around. They are widely used in various industries such as business, education, and entertainment.
Laptops come in various sizes, configurations, and price ranges, catering to different user needs and preferences. Some laptops are designed for basic tasks such as web browsing and word processing, while others are geared towards gaming, graphic design, or video editing. The choice of a laptop depends on factors such as performance, battery life, connectivity options, and budget.
Laptops have evolved significantly over the years, with advancements in technology leading to faster processors, better graphics, and improved battery life. Modern laptops often feature high-resolution displays, solid-state drives, and advanced security features to protect user data. They also come with a range of input/output ports for connecting external devices such as monitors, printers, and storage drives.
In terms of operating systems, laptops typically run on platforms such as Windows, macOS, or Linux. Each operating system has its own set of features and applications, catering to different user preferences. Windows laptops are widely used in the consumer market, while macOS laptops are popular among creative professionals. Linux laptops are preferred by users who value customization and control over their computing experience.
Laptops have become an essential tool for people in today's digital age, enabling them to work, communicate, and stay connected wherever they go. Whether used for work, study, entertainment, or creativity, laptops have revolutionized the way we live and work. With their compact size, versatility, and performance capabilities, laptops have become indispensable devices for millions of people worldwide.
In conclusion, a laptop is a portable personal computer that has revolutionized the way we work and communicate. With their compact design, powerful features, and convenience, laptops have become an essential tool for modern life. From basic tasks to complex projects, laptops empower users to stay productive and connected in today's fast-paced world.