IGCSE Computer Studies (0420) The students write 2 papers. Paper 1: (75% of final mark) Paper 3: (25% of final mark) Paper 1 Use booklets 1 & 3 - 5 as good revision. The textbook will backup these sections. Practice algorithms using Python to get a working programme and then convert to pseudocode. Practice logic gates using the digital works app – then take through to a truth table (remember to number the output of each gate in order to simplify correctly drawing the truth table). Practice exam questions on Spreadsheets and Databases. Paper 3 Use booklet 2 as good revision. Use the Paper 3 powerpoint presentation as a revision tool. The textbook Chapter 6 will backup these sections. Useful websites: http://www.theteacher99.btinternet.co.uk/theteacher/gcse/gcse2010/gcse_index.htm http://teach-ict.com/gcse_computing/ocr/GCSE_A451_topics.html