404. That’s an error.
The requested URL /_/+1/confirm?hl=en&url=https://www.electricaltechnology.org/2018/04/digital-logic-and-gate.html&name=Digital+Logic+AND+Gate was not found on this server. That’s all we know.
/_/+1/confirm?hl=en&url=https://www.electricaltechnology.org/2018/04/digital-logic-and-gate.html&name=Digital+Logic+AND+Gate