0417_w11_qp_13
A paper of Information and Communication Technology, 0417
Questions:
19
Year:
2011
Paper:
1
Variant:
3
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9
A hospital monitors each patient’s condition using a computer. Tick three physical variables that would be monitored.  Pulse rate Room temperature Humidity Body temperature Light Blood pressure Explain why computers cannot read physical variables directly. Give three advantages of using a computer rather than a nurse to monitor a patient’s condition.
6. ICT applications  →  6.7. Computers in medicine
6. ICT applications  →  6.3. Computer controlled systems
6. ICT applications  →  6.2. Modelling applications
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10
For Examiner's Use 10 The manageress of a supermarket uses a database to store data about the products she sells. This is part of the database. Product Id Producer Food type Number in stock Re-order level Herbot Frozen Carrots Caeser Baking Powder Brutus Margarine Malin Garlic paste Holly Chicken Vitriol Tinned peas Almanac Frozen sweetcorn How many records are there in this part of the database? How many fields are there in this part of the database? The records shown are to be sorted in ascending order of number in stock. What will be the Food type of the first record in the database after it has been sorted? Identity the field type of the Product Id field. For Examiner's Use A customer comes to the POS with three cartons of Brutus margarine. The checkout operator scans the bar code of the first item and enters the quantity 3 using the number pad. Describe the computer processing which now takes place for stock control.
6. ICT applications  →  6.9. Computers in the retail industry
20. Spreadsheets  →  20.1. Create a data model
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14
For Examiner's Use 14 Sarbjit owns a small company with little money to spare. He wishes to replace the existing computerised system with a new one. He has already made backups of the existing system. He has employed a systems analyst, Tom, to plan the new system. Tom wishes to collect information about the existing system. Give four methods he could use and for each give a reason why it would be used. Method 1 Reason Method 2 Reason Method 3 Reason Method 4 Reason Tom will need to design the file structure of the new system. List four items which would need to be included in this design. For Examiner's Use After the system is developed it will be implemented. Describe the most appropriate method Sarbjit should choose giving two reasons. Method Reason 1 Reason 2
7. The systems life cycle  →  7.1. Analysis
7. The systems life cycle  →  7.3. Development and testing
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16
For Examiner's Use 16 Marie has purchased a laptop computer. She wants to use it for internet shopping. Identify two additional items she would need to purchase in order to do this. Give four advantages to Marie of using internet shopping. Give four disadvantages to Marie of using internet shopping.
6. ICT applications  →  6.9. Computers in the retail industry
10. Communication  →  10.2. Effective use of the internet
1. Types and components of computer systems  →  1.4. Types of computer
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