IPSJ SIG Technical Report Vol.2014-CE-127 No /12/6 CS Activity 1,a) CS Computer Science Activity Activity Actvity Activity Dining Eight-He

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1 CS Activity 1,a) CS Computer Science Activity Activity Actvity Activity Dining Eight-Headed Dragon CS Unplugged Activity for Learning Scheduling Methods Hisao Fukuoka 1,a) Toru Watanabe 2 Makoto Hirose 2 Hitoshi Ogawa 3 Abstract: CS Unplugged is a method of teaching computer related technology to children, who are in general lacking in mathematical or some other scientific background. The feature of CS Unplugged is that it does not use actual computers in its teaching process. Instead of using computers, it teaches computer related technology through some desktop play activities. When we practice CS Unplugged activities in elementary or junior high schools, the target pupils are local children in general. Using regional materials in the activities can make them more friendly to the children. In this paper we propose a new CS Unplugged activity for learning various scheduling methods. The activity utilizes Yamata-no-Orochi(Eight-headed dragon) that appears in Izumo Myths, as the regional material of Shimane Prefecture. 1. Timothy Bell Computer Science Unplugged CS CS 1 Tokyo Denki University, Inzai, Chiba , Japan 2 National Institue of Technology, Matsue College 3 Prefectural University of Hiroshima a) fukuoka@mail.dendai.ac.jp CS [1] [2] 20 Activity Activity [3], [4], [5], [6] CS Activity CS 3 [7] CS 1

2 Activity Activity [8], [9], [10] *1 Activity 3 Activity CS Activity 2. CS 3 [6], [11] 1 Activity Activity 1 1 Activity 2 Activity 3 2 CS Activity [5] 2 Activity 3. Activity Activity *1 8 1 Activity 1: Activity 1 CPU Activity Nishida [12] Activity (1) (2) (3) (4) (5) Activity Activity Activity 1 (1) 8 (2) (3) 8 D 1,D 2...D 8 L 1,L 2...L 8 L 1 + L L 8 (4) 1 2

3 (a) 3: (b) 8 2: Activity 4: 4 (5) 1 1 Activity (1) (2) (3) 2 Activity Activity 3 Actvity 4.1 Activity Activity D

.. FCFS 6 21.000 D 1,D 2...D 8 0 7 10 14 16 23 27 32 4.

4 5: 6: FCFS 4.3 FCFS FCFS First Come First Served Activity D 1,D 2,D 3... FCFS D 1,D 2...D FCFS 2 (1) 1 (2) 2 1 SPTF Shortest Processing Time First Activity SPTF FCFS 2 Round-Robin SPTF 4

5 7: SPTF 8: 1: :30 18: Windows Android CS Activity 5. Activity Activity 9 Activity 9:

6 2: : : : Activity SPTF Activity Activity 4 6

7 Activity CS Activity 4 JSPS : Activity 7. Activity 3 10 Activity Activity 8. [1] T.Bell et al.: Computer Science Unplugged. ( [2] T.Bell, I.H.Witten and M.Fellows: Computer Science Unplugged, (2007). (2007). [3] CS 75 Vol. 4, pp (2013). [4] CS OS 76 Vol. 4, pp (2014). [5] A.Kawakami and H.Fukuoka: A New CS Unplugged Activity for a Learning Experience in Bottlenecks, Proc. of the 1st Symposium on Technology Sustainability(ISTS2011), pp (2012). [6] H.Fukuoka, A.Kawkami and Y.Wada: A Proposal of CS Unplugged Utilizing Regional Materials, International Workshop on Informatics(IWIN)2014, pp (2014). [7] (1992). [8] (2013). [9] (2012). [10] [11] CS 76 Vol. 4, pp (2014). [12] T.Nishida, S.Kanemune, Y.Idosaka, M.Namiki, T.Bell and Y.Kuno: A CS Unplugged Design Pattern, ACM SIGCSE Bulletin SIGCSE 09, Vol. 41, No. 1, pp (2009). CS Activity Activity Activity 7

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