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Question 38Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

Match the symbol used in DFD with their function. A. Rectangle — I. Output

Match the symbol used in DFD with their function. A. Rectangle — I. Output B. Two parallel horizontal lines — II. Process C. A cylinder-like document/file shape — III. Data store D. Circle — IV. External entity
  1. AA-IV, B-III, C-I, D-II
  2. BA-II, B-III, C-I, D-II
  3. CA-IV, B-I, C-III, D-II
  4. DA-I, B-III, C-IV, D-II
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Correct answer: (A) A-IV, B-III, C-I, D-II

Explanation

In a DFD, a rectangle is an external entity, two parallel lines are a data store, the document shape is output, and a circle (bubble) is a process.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 38 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.