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Chapter 02 Hardware and Software
1. When making hardware decisions, the overriding considerations of a business should be
Answer : (B)
2. Because of the electromechanic
Briefly describe the hierarchy of data.
Data is generally organized in a hierarchy that begins with the smallest piece of data used
by computers (a bit) and progresses through the hierarchy to a database. A bit (a binary digit)
represents a circuit that i
Briefly describe a general model of telecommunications.
The model starts with a sending unit such as a person, a computer system, a terminal, or
another device that originates the message. The sending unit transmits a signal to a modem that
can perform ma
Briefly explain the three associated elements of a central processing unit (CPU).
Each central processing unit (CPU) consists of three associated elements: the
arithmetic/logic unit, the control unit, and the register areas. The arithmetic/logic unit (ALU
Define electronic commerce and identify its various subsets.
Electronic commerce is the conducting of business activities (e.g., distribution, buying,
selling, marketing, and servicing of products or services) electronically over computer networks.
Distinguish between data, information, and knowledge.
Data consists of raw facts, such as employee number or total hours worked in a week.
Information is a collection of facts organized and processed so that they have additional value
beyond the value of
Briefly describe the five stage decision-making process.
The three stages of decision makingintelligence, design, and choiceare augmented by
implementation and monitoring to result in problem solving. The first stage in the problemsolving process is the i