Magento doesn't update content on homepage (changed thorugh cms -> pages -> electronics-home). I can even disable the Electronics-home page and it doesn't change a thing.
You can try to fix it by do the re-indexing of all. like below:
php shell/indexer.php --indexer.php --reindexall
There are two possibility based on your question.
1) Caching issue: have you tried to flush cache after updating the CMS content page. Or have you integrated varnish or any other cache, if yes, then you need to flush it.
2) Updating wrong CMS page: It may happen sometime we are updating wrong CMS instead we have selected in the system configuration(admin login >> System >> Configuration >> Design >> Home page drop-down >> Verify/find the selected CMS page).
If above solutions will not work then you should enable the hint and find out template file which setup for home page content.
Hope above solution will help you.