Limitations of Parallel Processing

Looking at the types of problems that are suitable (SIMD) and aren't suitable (ones with dependencies) for parallel processing. Some of the other limitations and problems with parallelism are explained. Made for OCR A Level Computer Science Paper 1 (H446). Part of the 1.1.2 Types of processor topic: https://www.youtube.com/playlist?list=PL04uZ7242_M4BOJZv7gtm1PQk_nyuzU76 Full Paper 1 playlist: https://www.youtube.com/playlist?list=PL04uZ7242_M46xMfDhdEi1_DuJJ3qI4wl