Example 113 a student appears in an examination that

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Unformatted text preview: arts of the flowchart to make it easier to follow and understand. The explanatory note is written inside the three sided annotation enclosure and the dotted line connecting the annotation enclosure is drawn up to that part of the flowchart to which the annotation corresponds. 13. Predefined Process. This symbol is used to represent a group of operations that form a separate module and may be detailed in a separate flowchart. 14. Merge. This symbol is used to represent a process that combines two or more sets of items into on set. 15. Extract. This symbol is used to represent a process that separates one or more specific sets of item from a given set of items. 16. Sort. This symbol is used to represent a process that arranges a given set of items into a specified sequence. 17. Collate. This symbol is used to represent a process that performs both merge and extract operations. That is, it consists of a process that combines two or more sets of items into one set and another process that separates one or more specific sets of items from the generated set. Printed document Manual Input Online Storage Magnetic Disk Display Predefined Process Sort Auxiliary Operation Offline Storage Communication Links Merge Keyed Input Manual Operation Magnetic Tape Annotation Extract Collate Sample Flowcharts A flowchart should be drawn using the symbols mentioned above. Describing an algorithm in the form of a flowchart is not very difficult. What is required is some common sense and a little practice. The art of flowcharting is introduced below with the help of some simple examples. Example 11.3. A student appears in an examination that consists of total 10 subjects, each subject having maximum marks of 100. The roll number of the student, his/her name, and the marks obtained by him/her in various subjects are supplied as input data. Such a collection of related data items that is treated as a unit is known as a record. Draw a flowchart for the algorithm to calculate the percentage marks obtained by the student...
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