context switch Multiprogramming leads to the concept of a process. Metaphorically,a process is a program’s breathing air and living space-that is,a running program plus any state needed to continue running it.Time- sharing is a variation of multi-programming that shares the CPU and memory with several interactive users at the same time, giving the illusion that …
Daily Archives: August 15, 2010
cairo graphics 0.5 (arc )
/* Jeffrin Jose Licensed GPL v3 Copyright August 2010 GPL –> http://www.gnu.org/copyleft/gpl.html */ #include int main () { int i; cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 800, 600); cairo_t *cr = cairo_create (surface); cairo_set_font_size (cr, 32.0); cairo_set_source_rgb (cr, 0.3, 0.8, 0.7); cairo_set_line_width(cr,1.0); for (i=0;i<100;i++) { /* cairo_move_to(cr,30+i,60); cairo_line_to(cr,30+i,60+i);*/ /* cairo_rectangle(cr,100,100,10+i,10+i);*/ cairo_arc(cr,100,100,60,50,10); /* cairo_line_to(cr,40,200); */ cairo_stroke(cr); /* …