A dollar sign after both the letter and the number for each cell reference you want to keep the same will keep it the same when using the fill down/across function.
Answer:Web Application
Explanation:Web hosting is more or less like having an ordinary computer in the cloud in order share information and resources with others world wide.One cannot make effective use of a computer without software applications . Similarly hosting just normal html pages and documents on a server cannot help increase productivity,hence the creation of cloud computer applications also known as "Web Apps (Web Applications)" to aid boost productivity and information dissemination via quality task automations.
Answer: TDMA(Time division multiple access)
Explanation: Time-division multiple access is the method that is used by GSM(Global system for mobile communication) usually for the separation process of the data.It is a way in which a same frequency is shared by different time slots of signal.It has high flexibility and so thus is helpful for the GSM network and provides easy services of division.It divides the data according to the time period slots in a GSM network.