1) Hard technology: This refers to the physical devices and tools that are used to perform a task. Hardware can range from simple items like a hammer or screwdriver to complex machines like a computer or a car.
2) Soft technology: This refers to the knowledge and skills that are used to perform a task. Software is not tangible and cannot be physically touched, but it is essential for the operation of hardware. For example, the software for a computer includes operating systems, applications, and data.
3) Biotechnology: This refers to the use of biological systems and organisms to develop products or processes. Biotechnology has a wide range of applications, including medicine, agriculture, and manufacturing. For example, biotechnology can be used to create drugs, genetically modify crops, and produce bio fuels.