Question
What does a DFD (Data Flow Diagram)
represent?Solution
DFDs visually represent how data flows through a system, showing sources, processes, and data stores.
The length of a plot is three times its breadth. A playground measuring 216 square metres occupies half of the total area of the plot. What is the lengt...
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The difference between the length and breadth of a rectangle is 25 m. If its perimeter is 206 m, then its area is
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A rectangular piece of copper foil of length 35 cm and area 770 cm2 is folded along its width to form a cylinder such that there is only one ...
