Computer science is the study of computers and computational systems, encompassing both their theoretical and practical applications. It involves the design, development, and analysis of software and software systems, and draws heavily from mathematics and engineering foundations.

• Software development
• Artificial intelligence and machine learning
• Data science and analytics
• Cybersecurity
• Networking and distributed systems
• Human-computer interaction
• Computational biology and bioinformatics
• Computational physics and simulation
• Graphics and visualization
• Database management and data mining

A computer scientist might work on developing a new operating system for smartphones, incorporating advanced security features and performance optimizations.

• Privacy by design engineering