Complex sentence: Trusted Computing has been defined and outlined with a set of specifications and guidelines by the Trusted Computing Platform Alliance (TCPA), incuding secure input and output, memory curtaining, sealed storage, and remote attestation.
Split into simpler sentences: Trusted Computing has been defined and outlined with a set of specifications and guidelines by the Trusted Computing Platform Alliance (TCPA). These include: secure input and output, memory curtaining, sealed storage, and remote attestation.