Which one is correct? 1 Which of the following is a terminal box? Oval shaped b. Rectangle shaped Diamond shaped d. All of these is used to solve any problem in graphical or pictorial form Algorithm b. Program Flowchart d. None of these 3. A diamond shaped box is a a. Decision box b. Flow line d. None of these c. Processing box 4. An algorithm always begins with a. Stop c. Input b. Start d. None of these​