The foundation year at Manchester starts at exactly the same time as all the other undergraduate courses and foundation year students are treated exactly the same as any other, they have access to all of the same accommodation and facilities as everyone else. The course structure for Computer Science, as well as the pass requirements, is as follows:
Super Unit 1 - Minimum 60%
Maths OB1/OC1
Maths ON1
Maths OB2/OC2
Super Unit 2 - Minimum 50%
Option 1 (Physics: Matter, Physics: World of the Electron or Chemistry 1)
Option 2 (Physics: Matter, Physics: World of the Electron or Chemistry 1)
Option 3 (Physics: Waves or Chemistry 2)
Super Unit 3 - Minimum 60%
Maths OD2
Maths OF2
Maths OJ2
Super Unit 4 - Minimum 50%
ICT
Academic Skills
Project
The material covered is broadly the same as A-level, though it does go beyond it in some areas. I'd be happy to give you a more detailed breakdown of the topics covered in each unit if you need.