Cómo se explica el programa?

Revision:
0:bbec8ee34df1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Oct 12 21:29:57 2013 +0000
@@ -0,0 +1,16 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+DigitalOut myled2(LED2);
+
+int main() {
+    
+    int i = 0;
+    
+    while(1) {
+        myled = i & 1;
+        myled2 = i & 0;
+        wait(0.25);
+        i++;
+    }
+}