What is "case sensitive"

a. (context computer science English) Distinguishing uppercase and lowercase letters. Often used in computer science to indicate a distinction is made in comparison or equality of letters based on case. For example, a case-sensitive password will not recognize "Password" and "password" as the same, but a case insensitive comparison would. alt. (context computer science English) Distinguishing uppercase and lowercase letters. Often used in computer science to indicate a distinction is made in comparison or equality of letters based on case. For example, a case-sensitive password will not recognize "Password" and "password" as the same, but a case insensitive comparison would.

Case Sensitive is a British crime drama series broadcast on ITV, based on the best-selling books by Sophie Hannah. Two series of the programme, starring Olivia Williams and Darren Boyd, have been produced, adapting the novels The Point of Rescue and The Other Half Lives. The first episode was broadcast on 2 May 2011. Both series were issued on DVD on 16 July 2012. A third series was subsequently proposed, but production has yet to begin.