who invented the first hand held cellular phone
Martin Cooper (inventor) While at Motorola in the 1970s, Cooper invented the first handheld cellular mobile phone (distinct from the car phone) in 1973 and led the team that developed it and brought it to market in 1983.[3][4] He is considered the "father of the (handheld) cell phone"[1][3][5][6] and is also cited as the first person in history to make a handheld cellular phone call in public.[7]
Vikramashila Vikramashila was founded by
Limit of a function (the Dirichlet function) has no limit at any x-coordinate.
Smartphone In June 1999 Qualcomm released the "pdQ Smartphone", a CDMA digital PCS smartphone with an integrated Palm PDA and Internet connectivity.[12]