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Exam (elaborations)

CPSC 430 Exam Questions and Answers

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CPSC 430 Exam Questions and Answers What social effects did mechanical calculators have? (textbook pg. 47) - Ans:-"De-skilling" and "feminization" of bookkeeping Male bookkeepers were replaced with female bookkeepers and wages were lowered because mechanical calculators allowed people of averag...

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  • October 23, 2024
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  • 2024/2025
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  • 2024/2025
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CPSC 430 Exam Questions and Answers


What social effects did mechanical calculators have? (textbook pg. 47) - Ans:✔✔-"De-skilling" and

"feminization" of bookkeeping


Male bookkeepers were replaced with female bookkeepers and wages were lowered because

mechanical calculators allowed people of average ability to succeed and be productive in these positions

as well


What social effects did 1900s-style cash registers have? (textbook pg. 48-49) - Ans:✔✔-Cash registers

made embezzlement by clerks more difficult because the bell made it impossible for clerks to sneakily

take money from the cash drawer, and ensured that every sale was logged. By logging sales, department

store owners could easily compare the cash in cash registers and sale receipts.


List two ways that World War II stimulated the development of the modern computer. (textbook pg. 51-

53) - Ans:✔✔-ENIAC:


Had many features of modern computer - internal components were electronic and could be

programmed to perform variety of computations


EDVAC:


First to store its program and data in memory
Page 1/58

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Describe three ways in which the widespread adoption of the telephone changed society. (textbook pg.

69-71) - Ans:✔✔-Traditional boundaries between private family life and public business life became

blurred




People enjoyed being able to conduct business from home, but also didn't like being interrupted by the

ringing of the telephone




Eroded traditional social hierarchies




Allowed people that normally wouldn't talk to each other (because of social hierarchies) to be able to

talk to each other




Creation of "online" communities




Party lines that connected multiple phones together allowed farmers in rural areas to gather by their

phones and talk about the weather and exchange gossip



Page 2/58

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In what ways were transistors an improvement over vacuum tubes? (textbook pg. 57-58) - Ans:✔✔-

Vacuum tubes required a lot of power, generated a lot of heat, and burned out like lightbulbs




Transistor: semiconductor substitute for vacuum tube


Lower power consumption, less waste heat, and high efficiency than equivalent tubes compared to

vacuum tubes


What are two advantages of packet-switched networking over circuit-switched networking? (textbook

pg. 76) - Ans:✔✔-Circuit-switched networking: single physical connection is established between two

ends, and the connection cannot be shared, meaning other circuits cannot be established is there is

overlap and one is already being used




Packet-switched networking: messages are divided into small bundles of data (packets)




Different message packets can take different routes to the same destination and packets from different

messages may share the same wire; multiple computers can communicate simultaneously




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Describe three technologies that were demonstrated in Douglas Engelbart's 1968 "Mother of all Demos."

(textbook pg. 85) - Ans:✔✔-Video display divided into windows, email, use of a mouse to direct a cursor,

and live video conferencing with staff members 30 miles aw


Explain the difference between morality and ethics. (textbook pg. 111) - Ans:✔✔-Morality: rules of

conduct describing what people ought and ought not to do in various situations (what)




Ethics: philosophical study of morality, a rational examination in people's moral beliefs and behaviour

(why)


Describe one similarity and one difference between subjective relativism and ethical egoism. (textbook

pg. 118, 130 for definitions) - Ans:✔✔-Subjective relativism: each person decides right and wrong for

himself/herself




Ethical egoism: the morally right action for a person to take in a particular situation is the action that will

provide that person the maximum long-term benefit




Similarity: both claim that what is considered to be right/wrong depends on the self




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