Answer: Unified communication
Explanation: Unified communication is the communication technique in which merges various communication routines into a individual business.It works as the phone system which helps in increment of productivity in an organizational business.
The unifying of voice,data/information,video etc is done for optimizing and improving the business that also results in faster communication rates, secure communication etc.
No machine language have no any type
Explanation:
The working directory is just a file path on your computer that sets the default location of any files you read. If you want to read a file 'file.txt'.
