Are spoken words a form of non verbal communication

What are the three uses of a screw?

Http is the protocol that governs communications between web servers and web clients (i.e. browsers). part of the protocol includes a status code returned by the server to tell the browser the status of its most recent page request. some of the codes and their meanings are listed below: 200, ok (fulfilled)403, forbidden404, not found500, server errorgiven an int variable status, write a switch statement that prints out the appropriate label from the above list based on status.

Which boolean operator enables you to exclude a search term? a} not b} and c} or d} plus