An Information System is when key components such as hardware, software, data, and process are combined for collection, processing, and distribution of data. All of these scenarios mentioned on the choices above are considered transactions in an information system. There is an exchange of information that fully satisfies the request of a user and describes what transactions in information systems are. They are good examples of users entering information whether, physically or electronically, as data into computers. This data is then processed, and the database changes adjusted with some being made permanent.
B, Parallel ports are faster than serial ports.
A parallel port can move a set of 8 bits at a time on eight different wires, it uses a 25 pin connector, called a DB-25 connector, whereas a serial port only has a DB-9 connector.
Answer:
Use an equal sign at the beginning of the formula (A)
Use open and close parenthesis for each set of nested functions (B)
Functions should be in CAPS
Separate functions with commas
Explanation: