Match the following fields of science (1-4) with their definitions (А-E). There is one extra definition.



1. cybernetics

А. the branch of astronomy concerned with the physical nature of stars and other celestial bodies, and the application of the laws and theories of physics to the interpretation of astronomical observations

2. cryogenics

B. the branch of physics dealing with the production and effects of very low temperatures

3. information technology

C. the branch of biology that deals with the structure and function of the macromolecules (e.g., proteins and nucleic acids) essential to life

4. astrophysics

D. the study or use of systems (esp. computers and telecommunications) for storing, retrieving, and sending information



E. the science of communications and automatic control systems in both machines and living things