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1 Name the objects A, B, C, D and E using the words from the list.

1 Name the objects A, B, C, D and E using the words from the list. CD drive Desktop computer Graph plotter Graphics tablet Keyboard Laptop computer Laser printer Light pen Microphone Mouse PIN pad Sensor. ______________________ B. ____________________

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1 Name the objects A, B, C, D and E using the words from the list.

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  1. 1 Name the objects A, B, C, D and E using the words from the list. CD drive Desktop computer Graph plotter Graphics tablet Keyboard Laptop computer Laser printer Light pen Microphone Mouse PIN pad Sensor • ______________________ B. ____________________ • _______________________ D. ____________________ • E. ________________________

  2. 1 Name the objects A, B, C, D and E using the words from the list. CD drive Desktop computer Graph plotter Graphics tablet Keyboard Laptop computer Laser printer Light pen Microphone Mouse PIN pad Sensor • _____Desktop Computer____ B. _____Laser printer______ • ____PIN pad_____________ D. _____Microphone_______ • E. _____Laptop Computer______

  3. 2 Ring two items which are magnetic storage media. CD ROM DVD ROM DVD RW Floppy disk Hard disk Memory stick [2]

  4. 2 Ring two items which are magnetic storage media. CD ROM DVD ROM DVD RW Floppy disk Hard disk Memory stick [2]

  5. 4 Draw five lines on the diagram to match the output device to the application. Device Type of Output Dot matrix printer high quality high volume output Laser printer high quality low volume output Inkjet printer multimedia presentation Monitor high quality very large printouts Graph plotter continuous stationery [5]

  6. 4 Draw five lines on the diagram to match the output device to the application. Device Type of Output Dot matrix printer high quality high volume output Laser printer high quality low volume output Inkjet printer multimedia presentation Monitor high quality very large printouts Graph plotter continuous stationery [5]

  7. 5 Complete each sentence below using one item from the list. • bar code chip DVD ROM • floppy disc keyboard laser printer • magnetic stripe magnetic tape zip disc • (a) The most suitable storage medium for making system backups • for a network is a ___________________________ • Data about the details of a PIN are stored on a bank card on a ____________________________ • Videos produced so that data can not be changed are stored on a __________________________ • Details of a product are scanned at a POS from a ___________________________ • [4]

  8. 5 Complete each sentence below using one item from the list. • bar code chip DVD ROM • floppy disc keyboard laser printer • magnetic stripe magnetic tape zip disc • (a) The most suitable storage medium for making system backups • for a network is a ______Magnetic tape ________ • Data about the details of a PIN are stored on a bank card on a ______Chip__________________ • Videos produced so that data can not be changed are stored on a _____DVD ROM ___________ • Details of a product are scanned at a POS from a ______Barcode _____________ • [4]

  9. PEN DOWN _____________ ______________ LEFT 90 _____________ ______________ FORWARD 40 _____________ ______________ ____________ _____________ ______________ ____________ _____________ ______________ ____________ _____________ ______________ ______________

  10. PEN DOWN __ Forward 60_ __Right 90 _____ LEFT 90 __Pen up______ __Forward 50 ___ FORWARD 40 __Forward 80___ __Pendown _____ _Right 90____ __Pendown ____ __Forward 20 ___ _Forward 70_ __Forward 85___ __Right 90 _____ _Right 90____ __Pen up______ __Forward 100__ ( 1 mark for each group of 3 statements)

  11. 8 Describe two advantages of using email compared with using the normal postal service. • _____________________________________________________________________ • _____________________________________________________________________ • _____________________________________________________________________ • _____________________________________________________________________ • [2]

  12. 8 Describe two advantages of using email compared with using the normal postal service. • ___(Faster to arrive / to be delivered )___ ( Phone call is cheaper than a stamp)_ • _______(You don’t have to leave your house to send email) ________________ • ______(Email can be read from any location) __(Replies to emails can be quicker) • __________(Easer , Cheaper, quicker to send same message to many people)_____ • [2]

  13. 9 Mohammed Hussain owns a bookshop whose sales have grown enormously. He now wants to have a computer system to take over the running of the shop. He has employed a systems analyst to advise him on the type of system he needs. Before she can recommend a new system she will need to analyse the current system. (a) Describe four methods of researching/analysing and for each one write down an advantage of using that method. Method 1 ____________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Method 2 __________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Method 3. __________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

  14. Method 4 ____________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

  15. 9 Mohammed Hussain owns a bookshop whose sales have grown enormously. He now wants to have a computer system to take over the running of the shop. He has employed a systems analyst to advise him on the type of system he needs. Before she can recommend a new system she will need to analyse the current system. (a) Describe four methods of researching/analysing and for each one write down an advantage of using that method. Method 1 __Interview (1) _____ Can change script to suit circumstances/more likely to get truthful response (1) ___ _______ _______ Method 2____________ Examining documents (1) ___Can follow data flow more easily/informs input/output format design (1)________________________________________________________________________________________________________________________________________________________________________ Method 3. ______ Observation (1) _________Can gain broader overview of processes (1)____________________________________________________________________ ____________________________________________________________________________________

  16. Method 4 ____________________________________________________________________________ _____________Questionnaires (1) ___Better for busy people/don’t have to prearrange appointments (1) ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [8]

  17. (b) The systems analyst decides that the system needs to have a screen input form to enter all the details of each book. Design a screen input form which could be used for typing in the details of one book.

  18. (b) The systems analyst decides that the system needs to have a screen input form to enter all the details of each book. Design a screen input form which could be used for typing in the details of one book. (b)Title (1) Author's name (1) Reference/Accession number/ISBN/Publisher/Picture of cover/Dewey number/genre/fiction or non-fiction/target age group/picture of author/date published/summary of contents/no. of copies (2 marks for 4 items, 1 for 3 items, else 0)

  19. (c) The systems analyst now designs the file structure. Give three items which would need to be designed as part of the file structure. • ___________________________________________________________________________ • __________________________________________________________ • __________________________________________________________ • __________________________________________________________ • __________________________________________________________ • __________________________________________________________

  20. (c) The systems analyst now designs the file structure. Give three items which would need to be designed as part of the file structure. • ___Field name,______Field type,______Field length________________________ _________________________________________________________________________ • __________________________________________________________ • __Key field _____Validation check _______________ _____ __________ _____________________ ______________________ • ____Index_____Input mask _______________ __________ _____ _______________ ________________ __________________________ • [3]

  21. (d) After the system is designed it will be implemented. Name and describe three types of test data that will be used to test the system. 1. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 2. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 3. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

  22. (d) After the system is designed it will be implemented. Name and describe three types of test data that will be used to test the system. 1. ______Normal data (1) ______________ ___________________ ________________ _____________Data which is acceptable/within the given range (1) _____________ _________ ___________ _____________________ __________________ _______ ____ 2. Abnormal data (1) ________________________ ___________________ _____ ___ __________Data of the wrong type/outside the given range (1) ___________________ ________________________________________________________________________________ 3. __________Extreme data (1) _____________________________________ ___________________Data at either end of the allowed range(1)_________ _________ __ ____________________________________________ __________ ______ _________

  23. (e) Name three methods of implementing this new system and for each one describe a disadvantage of using that method. 1. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 2. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 3. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

  24. (e) Name three methods of implementing this new system and for each one describe a disadvantage of using that method. 1. ____Parallel running/implementation_________________________________ _______Have to pay two sets of workers/takes a long time before system is fully implemented______ ________________________________________________________________________________ ________________________________________________________________________________ 2. ____Direct change over__________________________________________________ ________If unsuccessful lose all the data______________________________________________ ______ Pilot running _________ If unsuccessful lose some the data___________ _____________________________________________________________________ 3. _______________Phased implementation___________________________________ __________If unsuccessful lose some data________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

  25. (f) After the system is implemented it will be evaluated. Identify three items which should be present in the evaluation. 1. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 2. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 3. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

  26. (f) After the system is implemented it will be evaluated. Identify three items which should be present in the evaluation. 1. ______The ease of use of the solution_______________________________________ ___________The appropriateness of the solution_______________________________________ ________________________________________________________________________________ 2. ________Comparison of the solution with the original task requirements_____________ ____________Identification of any limitations ___________________________________________ ________________________________________________________________________________ 3. _______Identification of any improvements which can be made to the system__________ ______Evaluation of the users’ responses to the results of testing the system_________ ________________________________________________________________________________ ________________________________________________________________________________

  27. (g) Mohammed is worried that when he begins to use the new computer system continuously there may be health hazards. Describe three health hazards which he might meet. . 1. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 2. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 3. _______________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

  28. (g) Mohammed is worried that when he begins to use the new computer system continuously there may be health hazards. Describe three health hazards which he might meet. . 1. _________RSI - wrists ___________________________________________________ _________________RSI - fingers ___________________________________________________ ________________________________________________________________________________ 2. __________Headaches ________________________________________________ ______________Back problems ____________________________________________________ ________________________________________________________________________________ 3. ________Sight problems _______________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

  29. 10 Explain what pin pad and chip readers are and say how they are used. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

  30. 10 Explain what pin pad and chip readers are and say how they are used. ____Systems used to read bank/credit cards _____________ ___________ ____At ATM or FFTPOS systems ___________________________ ______ ______PIN is typed in using PIN PAD _________________ ____ ____ __ _ _____Details on chip are read by chip reader ____________ _____ ______ ________________________________________________________________________________________________________________________________________________________________________________ [3]

  31. (a) Give the cell reference of the cell that contains 126. ____________________________________________________________________________[1] (b) Give the cell reference of a cell that contains text data. _____________________________________________________________________________ [1] (c) Write down the formula used to calculate the value in cell D2. _____________________________________________________________________________ [1]

  32. (a) Give the cell reference of the cell that contains 126. _____12___________________________________________________________________[1] (b) Give the cell reference of a cell that contains text data. ______Any cell in range A1:A6 OR A1:E1 _____________________________________ [1] (c) Write down the formula used to calculate the value in cell D2. ______ =C2 - B2 ____________________________________________________________ [1]

  33. (d) When the spreadsheet was created a similar formula had to go in cells D3 to D6 Describe how to enter these formulae without typing them. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

  34. (d) When the spreadsheet was created a similar formula had to go in cells D3 to D6 Describe how to enter these formulae without typing them. _______Highlight D2 , Click copy, Highlight D3:D6, Click paste ____ __ OR ____________ ___________________________ __________ ____ _________Highlight D2, Using fill handle/little black cross/cross in bottom right hand corner of cell, Drag down to D6 _____________ ____________ __ __OR_________________________________ ______ ____________ __________Highlight D2, Highlight D3:D6, Click on fill down __________ ________________________________________________________________________________________________________________________ [3]

  35. (e) How many rows are shown in the spreadsheet? _______________________________________________________________ [1] (f) This spreadsheet is an example of a financial model. Give two examples of compute models, other than financial models. 1. ________________________________________________________________ ________________________________________________________________________ 2. ________________________________________________________________ ________________________________________________________________________

  36. (e) How many rows are shown in the spreadsheet? __________6 ____________________________________________________ [1] (f) This spreadsheet is an example of a financial model. Give two examples of compute models, other than financial models. 1. _________Simulations____________________________________ ______________Mathematical models______________________________________ 2. _________Scientific models _____________________________________ ______________Civil engineering models __________________________________ [2]

  37. (g) Give two reasons why computer models are used rather than the real thing. 1. ________________________________________________________________ ________________________________________________________________________ 2. ________________________________________________________________ ________________________________________________________________________ [2]

  38. (g) Give two reasons why computer models are used rather than the real thing. 1. __________Danger__________________________________ __________________Cost of building the real thing_________________ 2. ______Time scale _______________________________________________ ________________________________________________________________________ [2]

  39. 13 A doctor’s surgery uses an expert system. Describe the input, output and processing of this system. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

  40. 13 A doctor’s surgery uses an expert system. Describe the input, output and processing of this system. __INPUT - questions asked by system/answers typed in/symptoms are typed in processing - expert system compares systems ___ _with those in the knowledge base _____ __________ __________ ____Using inference engine _____________________ ____ __________ ___using rules base __________________________________ _____matches are found____________________________________ ____________________________________________________________OUTPUT - suggested/possible diagnoses _________________________ _________________________________________________________ [6]

  41. 14 A gardener wants to use a computer to monitor the growing conditions in his greenhouse. • (a) Name three sensors that he will need. • 1. ___________________________________________________________________ • ___________________________________________________________________ • ___________________________________________________________________ • [3] • (b) Explain why computers are unable to read the data directly from these sensors. • _______________________________________________________________ • ___________________________________________________________________ • ___________________________________________________________________ • ____________________________________________________________________ [2]

  42. 14 A gardener wants to use a computer to monitor the growing conditions in his greenhouse. • (a) Name three sensors that he will need. • 1. __________Humidity, Moisture________________________________________ • __________Temperature __________________________________________ • ____________Ph , Light _____________________________________________ • [3] • (b) Explain why computers are unable to read the data directly from these sensors. • __________Sensors produce analogue data/signal (1) _________________ • __________Computer work in digital (1) _______________________________ • ___________________________________________________________________ • ____________________________________________________________________ [2]

  43. (c) What device is needed to enable the computer to read the data? • 1. ___________________________________________________________________ • [1] • (d) Give two advantages of using a computer to monitor the conditions rather than having it done by humans. • _______________________________________________________________ • ___________________________________________________________________ • 2. ___________________________________________________________________ • ____________________________________________________________________ [2]

  44. (c) What device is needed to enable the computer to read the data? • 1. _____Analogue to digital converter (1) ____________________ • [1] • (d) Give two advantages of using a computer to monitor the conditions rather than having it done by humans. • _______Computer reading are more accurate_________________ • __________Reading can be taken more frequently _______________________ • 2. ________Reading can be taken any time of day or night_________________________ • ___________Can produce graphs more quickly ,_________ More reliable/readings taken at regular intervals______________________ _______________________________ [2]

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