free-softwares.org

Every program in the world has been built by using the three basic building blocks (sequential, branching, and looping instructions). 

Enter Your Password!

password$ = “”
WHILE password$ <> “open”
  PROMPT “Enter your password”; password$
  IF password$ = “open” THEN
    NOTICE “Welcome to the FBI’s secret computer network”
  ELSE
    NOTICE “Try again”
  END IF
WEND
END

you can break this program in the following parts:

Sequential instructions

password$ = “”
WHILE password$ <> “open”
  PROMPT “Enter your password”; password$
  IF password$ = “open” THEN
    NOTICE “Welcome to the FBI’s secret computer
        network”
  ELSE
    NOTICE “Try again”
  END IF
WEND
END

Branching instruction

password$ = “”
WHILE password$ <> “open”
  PROMPT “Enter your password”; password$
  IF password$ = “open” THEN
    NOTICE “Welcome to the FBI’s secret computer
        network”
  ELSE
    NOTICE “Try again”
  END IF
WEND
END

Looping instruction

password$ = “”
WHILE password$ <> “open”
  PROMPT “Enter your password”; password$
  IF password$ = “open” THEN
    NOTICE “Welcome to the FBI’s secret computer
        network”
  ELSE
    NOTICE “Try again”
  END IF
WEND
END

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