Computational molecular biology is an interdisciplinary field that uses computer-based tools, algorithms, and mathematical models to analyze biological data at the molecular level. It integrates principles from biology, computer science, mathematics, and statistics to study DNA, RNA, and protein sequences, structures, and their functions. This field is essential for managing and interpreting large-scale genomic and proteomic data generated by modern high-throughput technologies. Applications include gene prediction, sequence alignment, molecular modeling, evolutionary studies, and protein structure prediction. Computational molecular biology also plays a key role in identifying disease-related genes, discovering drug targets, and understanding complex biological networks. By combining computational power with biological insights, this field accelerates scientific discovery and supports advancements in personalized medicine, biotechnology, and molecular diagnostics.