Define what a hotspot is and why it is used

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most? a)give the file a unique name b)name the file in yymmdd format c)use descriptive name while naming the files d)use capital letters while naming the file

What are the three uses of a screw?

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .