Which among the following is a unconditional control structure 

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RRB JE IT 30 Aug 2019 Paper (CBT II) Official Paper
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  1. do-while
  2. if-else 
  3. goto
  4. for

Answer (Detailed Solution Below)

Option 3 : goto

Detailed Solution

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  • Do….While:

Do…………. while checks the condition in the end of the loop, the second time the loop is executed only when the statement is true.

Hence do while is a conditional control structure.

  • If…….Else:

If……Else statement checks the condition in the beginning of loop and the program enters the loop only if the condition is true.

Hence If…Else is a conditional control structure.

  • For:

For loop is also a control structure which checks the condition in the beginning of the loop and the loop is executed only if condition is true.

Hence for is a conditional control structure.

  • Goto:

goto is a jumping statement in c language, which transfer the program's control from one statement to another statement (where label is defined).

This is a unconditional control structure.

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