Visualisasi Problem Bebras Computational Thinking Challenge 2015 : Setting the Table

Beaver Bob has set the breakfast-table as shown in the picture.

Question: In which order has he placed the objects on the table?
A. table cloth, napkin, cup and saucer, knife, plate
B. table cloth, napkin, cup and saucer, plate, knife
C. napkin, knife, table cloth, cup and saucer, plate
D. table cloth, cup and saucer, napkin, plate, knife


Answer:
Choice D

Explanation:
The table cover was placed first because all the other things are on it. The next was the cup because the napkin is on the cup. The plate is on the napkin and the knife is on the plate.

It’s Computational Thinking:
Skills - Algorithmic Thinking (AL), Evaluation (EV)
Sequences are important in computational thinking. When you give instructions to a computer, those will be implemented in the order in which they are given.
Layers (sequence of pictures) are important when making graphics programs. In a picture you can separate different elements and change their sequence.

Visualisasi menggunakan Scratch :

Click "Vizualise solution" to display the correct table arrangement
Click "Try now" to set the table yourself

Press P to place the plate
Press T to place the tablecloth
Press N to place the napkin
Press C to place the cup
Press K to place the knife

Beaver Bob memiliki meja makan seperti yang ada digambar,
Bagaimana urutan meletakkan barang-barang yang ada di meja?
A. taplak meja, serbet, cangkir, pisau, piring
B. taplak meja, serbet, cangkir, piring, pisau
C. serbet, pisau, taplak meja, cangkir, piring
D. taplak meja, cangkir, serbet, piring, pisau

Penjelasan :
Taplak meja diletakkan terlebih dahulu karena semua objek berada di atasnya, kemudian cangkir karena tidak ada objek selain taplak meja dibawah cangkir, kemudian serbet karena serbet berada diatas cangkir tetapi dibawah piring, kemudian piring, lalu pisau di atas piring

Urutan pekerjaan merupakan hal yang penting dari pemikiran komputasional, karena ketika kita memberikan perintah ke komputer, komputer akan menyelesaikan perintah berdasarkan urutan waktu diberikannya. Perintah yang lebih dahulu diberikan dieksekusi terlebih dahulu