1.6 TP is System Engineering
Compare it to other kinds of system engineering …
Batch processing - Submit a job and receive file output.
Time sharing - Invoke programs in a process, which may interact with the process’s display
Real time - Submit requests that have a deadline
Client/server - PC calls a server over a network to access files or run applications
Decision support - Submit queries to a shared database, and process the result with desktop tools
TP - Submit a request to run a transaction