Regarding the Development of the Personal Computer

question 87

Multiple Choice

Regarding the development of the personal computer,

• A) as PCs came to dominate the computer market, IBM was the principal beneficiary.
• B) initially DOS and Macintosh software were quite similar.
• C) Macintosh dominated the market for personal computers in the late 1980s.
• D) Macintosh software was developed years before DOS software.
• E) IBM hired Microsoft in the late 1970s to design an operating system for its computers.

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Definitions:

Negative Linear Relationship

A relationship in which increases in the values of the first variable are accompanied by decreases in the values of the second variable.

Operational Definitions

Specific articulations of a concept or variable in terms of the procedures or techniques used to measure or manipulate it.

Construct Validity

The degree to which a test or instrument measures the theoretical construct or psychological concept it intends to measure.

Construct Validity

Construct validity refers to the degree to which a test measures what it claims, or purports, to be measuring.