1. The word Laptop was used in the late 1970s when IBM was developing new computing systems based on the PC architecture. The first product, the IBM PCjr or Portable or "luggable" (Laptop), was introduced at the end of the 1980s.
2. Since then it has evolved from a "portable" computing system to a personal digital device (PDD) to a small mobile computer to a mini-notebook to a tablet computer. Today's laptops are small, light, powerful, and have many other features like web browsing, voice control, GPS, and social media.
 
1. A computer is a type of technology that can help us work with numbers and data. This technology can also be used in the field of education and entertainment.
2. A Laptop is an example of a portable or mobile computing device.
3. Some other names for computers include desktop computers, personal computers, PC, workstations, and computer towers.