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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
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.
Magnetic Tape Annotation
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.
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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- Spring '14