Chapter 1: Review Questions
1. What does the word “processing” in data processing mean? A process is any manipulation of data, usually with the goal of producing information. 2. Give three examples in which raw data also serves as useful information. Input
3. Give three business examples (not mentioned in the text) of data that must be processed to provide useful information. Complete
4. Give three examples of subsystems not operating in the context of IT. Why are these considered subsystems and not systems? Account Payable – records information about money that organization owes to suppliers and service providers General Ledger– records current transactions
Account Receivable– records sums owed to the organization and by whom each subsystem has a well-defined goal. Together, the subsystems make up the organization’s accounting system. 5. How do TPSs and DSSs differ?
Transaction Processing Systems (TPSs) is any system that records transactions; Decision Support Systems (DSSs) is the information system that aids managers in making decisions based on built-in models. 6. What is a problem? Give an example of a business problem and discuss how a computer-based information system could solve it. A problem is any undesirable situation. Both problem-solving and decision-making require information gathering the right information efficiently, storing it so that it can be used and manipulated as necessary, and using it to help an organization achieve its business goals are the keys to success. 7. What is synergy? How is synergy accomplished when a person uses a computer? Explain the connection between synergy and increased productivity.
Synergy (from Greek “To work together”) is the attainment of output, when two factors work together, that is greater or better than the sum of their products when they were separately. 8. “An information system consists of hardware and software.” Why is this statement...
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