IGCSE Ch6 ICT Applications past paper questions 2019 Computer science 19 pag. Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q1. 0417-M 2019-Paper 1/2-Q10-ICT Applications both are used for transactions. - No physical cash in card so safer - Faster reading with smart card - More likely to have cash in pocket - User may not know if card has balance or not. - Card can be blocked if stolen. Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) the microprocessor has a stored value the values are compared when data is recieved If reading is higher than value then it will proceed. If reading is lower than value nothing will happen. Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q2. 0417-M 2019-Paper 1/2-Q12-ICT Applications -costs are reduce as there is only one system needed to maintain - less bugs as system has already been tested - benefits are immediate - If the system fails there is no backup - Staff has to be trained direct changeover: data would be duplicated the system would be fully implemented faster Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q3. 0417-M 2019-Paper 1/2-Q15-ICT Applications allows user to analyse data according to location - works with GPS - Can edit map data - Combines maps graphics and database Q4. 0417-S 2019-Paper 1/1-Q7-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) more portable system may give other information system can calculate accurute route more up to date maps Q5. 0417-S 2019-Paper 1/1-Q13-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) if number plate is dirty or damage, readings are not accurate Q6. 0417-S 2019-Paper 1/1-Q14-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q7. 0417-S 2019-Paper 1/2-Q8-ICT Applications advantages; banking can be made 24/7 less chance of getting robbed reduces time travelling to bank disadvantages health risks with computers user needs stable internet easy to make errors Q8. 0417-S 2019-Paper 1/2-Q9-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q9. 0417-S 2019-Paper 1/2-Q14-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q10. 0417-S 2019-Paper 1/3-Q8-ICT Applications \ Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) system generates questions inference engine compares data with data held in knowledge base uses rules base matches with symptoms found system lists out possible diagnosis Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q11. 0417-S 2019-Paper 1/3-Q9-ICT Applications microprocessor has a stored preset value microprocessor reads data from sensor microprocessor compares readings with preset if the data is a car, the barrier will open if data shows no car, microprocessor sends signal to actuator and lowers barrier. Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q12. 0417-S 2019-Paper 1/3-Q14-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q13. 0417-W 2019-Paper 1/1-Q13-ICT Applications robots can work 24/7 humans can do other tasks that requires more skill. robots are more consistent Q14. 0417-W 2019-Paper 1/1-Q15-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q15. 0417-W 2019-Paper 1/1-Q16-ICT Applications advantages; they give more consistent answers system doesn’t forget to answer question reduces costs of needing to find expert they give numbers of possibilities disadvantages; expensive to maintain system lacks common sense system needs training cost for training for operators. Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q16. 0417-W 2019-Paper 1/3-Q9-ICT Applications microprocessor has stored preset value microprocessor takes data from sensor the data is compared with preset value if reading is lower than preset value, the oven is turned on Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Q17. 0417-W 2019-Paper 1/3-Q10-ICT Applications Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com) Document shared on http://www.conversion.test.docsity.com/en/igcse-ch6-ict-applications-past-paper-questions-2019/7065979/ Downloaded by: kirarar (tangiss0909@gmail.com)