In a Structured English construct, which command repeats parts of a Task while the condition is true?

In a Structured English construct, which command repeats parts of a Task while the condition is true?

• A. DO UNTIL
• B. END UNTIL
• C. DO WHILE
• D. END WHILE

Answer: (C)

In a Structured English construct, the command that repeats parts of a Task while the condition is true is "DO WHILE." This command is specifically designed to execute a block of statements as long as the specified condition remains true. It establishes a loop that will continue to run until the condition that controls it evaluates to false. This makes "DO WHILE" particularly useful for scenarios where the number of iterations is not predetermined and is based on dynamic conditions that may change during execution. For example, if a process involves checking a certain condition more than once, using "DO WHILE" allows for the continuous execution of the task until that condition no longer holds, effectively controlling the flow of the process based on real-time data or user input. In contrast, commands like "DO UNTIL" and "END UNTIL" serve different purposes; they operate in the opposite fashion by executing the block of statements until a condition becomes true. "END WHILE" functions merely as a terminator for a "DO WHILE" loop, not serving as a stand-alone command for loop execution. Thus, the choice of "DO WHILE" aligns perfectly with the requirement of repeating actions based on a true condition.

In a Structured English construct, the command that repeats parts of a Task while the condition is true is "DO WHILE." This command is specifically designed to execute a block of statements as long as the specified condition remains true. It establishes a loop that will continue to run until the condition that controls it evaluates to false.

This makes "DO WHILE" particularly useful for scenarios where the number of iterations is not predetermined and is based on dynamic conditions that may change during execution. For example, if a process involves checking a certain condition more than once, using "DO WHILE" allows for the continuous execution of the task until that condition no longer holds, effectively controlling the flow of the process based on real-time data or user input.

In contrast, commands like "DO UNTIL" and "END UNTIL" serve different purposes; they operate in the opposite fashion by executing the block of statements until a condition becomes true. "END WHILE" functions merely as a terminator for a "DO WHILE" loop, not serving as a stand-alone command for loop execution. Thus, the choice of "DO WHILE" aligns perfectly with the requirement of repeating actions based on a true condition.