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<font 16px/inherit;;inherit;;inherit> Play </font>
<font 14px/lucida grande;;inherit;;inherit>Topic:</font> <font inherit/lucida grande;;inherit;;inherit>How a computer works?</font>
<font 10pt/lucida grande;;inherit;;inherit>11 and 12 period</font>
Comment for the teacher: - In this moment a lot of programming concepts has been all ready introduced. For better understanding how a computer works a play on stage could be helpful. The children play different roles of computer components, and one child plays the user. - The goal of this play is a better adoption of all acquired knowledge, and this play could be executed on a school performance for other students and parents. - This performance can be combined together with an exposition of drawings from the first two periods.
<font 18px/inherit;;inherit;;inherit>My computer</font>
(Play in one act)
In this play are used 4 stage props:
Picture 1. Mema made of shoe boxes
<font 16px/inherit;;inherit;;inherit> Programs (Picture 2.) </font>
Picture 2. Programs for four arithmetic operation
The roles may play boys or girls. There are four roles: User, INPUT, OUTPUT and PROCESSING.
INPUT, OUTPUT and PROCESSING have on their breasts large labels with their roles.
With this equipment the play may start:
Ros:
On the stage are Mema, a basket with balls and posters. Input, Output and Processing slumber.
On the stage enter User
My computer, as you'll see is obedient to me. I tell it what I want, that is my input The program crunches data and gives me the output.
INPUT, OUTPUT, and PROCESSING:
We will be patient Your wish is our command Just let us know what do you demand.
OUTPUT:
So, what do you want?
User:
What can you do?
OUTPUT:
Here's a list of programs that are for you ready.
OUTPUT:
Some are bought, some are leased and one was written by your daddy. And there is also a tiny one but looks like it is all well done,
USER (to audience):
I am proud to say I wrote it yesterday!
INPUT, OUTPUT, and PROCESSING:
We will be patient Your wish is our command Just let us know what do you demand.
USER:
I want my program.
INPUT:
I do not know What he (she) wants!
PROCESSING:
And for me this is mission impossible!
OUTPUT:
Request denied. Please give a clearer request.
Korisnik:
Zove se " Zbrajanje ".
Ulaz:
Hoće " Zbrajanje ".
INPUT, OUTPUT, and PROCESSING:
We are a machine, we are not that smart, you need to tell us clearly back from the start. We will be patient Your wish is our command Just let us know what do you demand.
USER:
Two and three.
INPUT (While talking puts the balls in the drawers of Mema):
Two in the blue, Three in the red, The program tells me so, and there they go.
PROCESSING:
I am the brain of this machine, and now it is my turn. I spin the wheels behind the scene results are what I churn. Here we need to add the balls From boxes red and blue The sum goes in the green box. (Fills in the green drawer.) I'm done, over to you (points at output).
OUTPUT:
You would not know the sum If it was not for me, The sum is locked in the machine You need me to set it free.
(Looks in the green drawer, writes a big number 5 on a piece of paper, shows it to the audience, and say out loud:) Five!
INPUT, OUTPUT, and PROCESSING:
This is done. Now once again We will be patient Your wish is our command Just let us know what do you demand.
(A voice behind the stage calls the user by name.)
USER:
Timmy is calling me He wants me to play I will write the next program on another day. (Shuts down the computer.) You are kind and you don't mind
(Isključi ga i otrči.)
KRAJ
Napomena:
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