Pui Ying College First Examination (2002-2003) F.6 Computer Applications Paper I Marking Scheme 1 (a) Ready-made application package : Ready to use and relatively cheaper Custom-made application : No redundancy or lack of functions, and better design (of reports, layout view, etc) 1 (b) Ready-made application package Because one month’s time is not enough for developing a custom-made application 2 (a) Adv : no learning for human ½+½ ½+½ 1 (with appropriate reason) 1 Disadv : long calibration time (the system needs to learn the voice and 1 tone of the user), or too many characters of the same pronunciation 2 (b) Recognize several characters together instead of a single character 1 according to the database containing the phrases 3 (a) Each computer has its own internal code (BIG-5) for the character 1 made not compatible The 裏’s BIG-5 code in computer A may represent another character 1 or blank in computer B 3 (b) 產 : 卜竹竹手一 1 函 : 弓山水 1 鼎 : 月山女一中 1 3 (c) The coding scheme does not follow the natural stroke sequence. Dayi input method. 4 File management: To perform file operations such as copying, deleting, renaming, and to manage directories. e.g. Windows File Explorer Virus protection: To scan and kill viruses, and to protect the system from virus infection. e.g. Norton Anti-virus 5 Process management: To load, run and set priorities of jobs 6 Memory management: To allocate memory resources to running jobs File I/O: To control file input and output operations Device I/O: To control the input and output operations of peripheral devices GUI stands for Graphical User Interface and it is the interface between the user and the computer. Adv: with GUI, no command should be recited and the user only click on the icon which implies the meaning to execute the command. Disadv: GUI requires a relatively high performance computer to F.6 / CA / 1st Exam / Marking / MKM / P. 1 1 1 1+1 1 1+1 1 1 1 1 1 1+1 1 process the graphics. 7 (a) NotePad 1 1 7 (b) Drawing tables, inserting cliparts 7 (c) It is used for quick and simple editing of text file where no format is needed. An example can be writing source programs. 8 (a) Merge printing Choose Merge Print from the Tool menu. Create Mailing Labels Open the data source by selecting File A. Edit the mailing label by inserting the name and address field into suitable positions. Merge to a new document and the mailing labels are created. 1+1 1 1 1 8 (b) MS Excel file 8 (c) Auto-correct, use for correcting common careless typing mistakes like ‘teh’ ‘the’ 1 1 ½ ½ 9 (a) E3= IF(B3<200000,0.2,IF(B3<=300000,0.15,0.1)) E5= B3*B4 E6= LOOKUP(B5,A21:A25,B21:B25) E7= E5*E6 E8= B3*(E3+E4) E9= E7–E8 2 1 2 1 1 1 9 (b) A9=IF(OR(ISBLANK(B3),ISBLANK(B4),ISBLANK(B5)),”Missing data”,””) 9 (c) (i) Enter 3.5% in Cell B4 Enter “Video tape” in Cell B5 (ii) Goal Seek Select Goal Seek from the Tool menu. Enter E9 as the goal cell. Enter 25000 as the goal value. Enter B3 as the variable cell. After seeking, the answer should be the integer which is just larger 1 OR() 1 IF() ½ ½ 1 than the value of B3. F.6 / CA / 1st Exam / Marking / MKM / P. 2 1 1 1 1 1 1 1