Which of the following is software? : monitor mouse windows keyboard printer

What is transmission control protocol/internet protocol (tcp/ip)? software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons a standard that specifies the format of data as well as the rules to be followed during transmission a simple network protocol that allows the transfer of files between two computers on the internet a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks

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

If you add the following to the query grid in an access query, what is it called? salestaxamt: [salestaxrate]*[totalsale] formula calculated field total calculation