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CECS 341 - Midterm Exam Questions with Complete Answers Graded A+
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CECS 341 - Midterm Exam Questions with Complete Answers Graded A+
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CECS 341 -Midterm Exam
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
,Zybooks Assignment 1 - Answer:
The computing industry has not improved quite as rapidly as the transportation industry. - Answer: False
The agricultural and industrial revolutions each transformed society. Computers have led to a relatively
recent information revolution. - Answer: True
Computer improvements have led to previously undreamt applications like cell phones, but most signs
suggest the improvements are now coming to an end. - Answer: False
Classes of computers - Answer: Personal computer, servers and embedded computers.
personal computer: - Answer: is a computer designed for use by an individual, usually incorporating a
graphics display, a keyboard, and a mouse.
Embedded computer - Answer: is a computer inside another device used for running one predetermined
application or collection of software.
Serve - Answer: is a computer used for running larger programs for multiple users, often simultaneously,
and typically accessed only via a network.
A home computer kept on a desktop and used by family members for emails, web browsing, social
networking, and movie watching. - Answer: PC
A computer in an Amazon building accessed by thousands of people for online shopping. - Answer:
Server
A computer in a cardiac pacemaker, which delivers electric shocks to keep a human's heart beating
properly. - Answer: Embedded
A computer at a federal laboratory that continually executes sophisticated algorithms on massive
amounts of data from various weather stations to develop accurate weather forecasts. - Answer: Server
, A terabyte is one _____ bytes. - Answer: trillion
1000^5 bytes is a _____byte - Answer: peta
A gibibyte is close, but not equal, to a _____byte. - Answer:
PICTURE FOR REFERENCE - Answer:
A house architect first designs a house with 5 rooms, then designs room details like closets, windows,
and flooring. - Answer: Use abstraction to simplify design
A customer talks to a phone agent. If there's a problem, he talks to the agent's supervisor. - Answer:
Hierarchy of Memories
A college student rents an apartment closer to campus than to her favorite weekend beach spot. -
Answer: Make the common case fast
Picture for reference - Answer:
Picture for reference - Answer:
A mom expects her son will be hungry after a long airplane flight, so she cooks dinner just in case. If he's
not hungry, she'll whip up a dessert instead. - Answer: Performance via Prediction
A drummer's stick breaks, but he quickly grabs another one and continues playing the song. - Answer:
Dependability via Redundancy
A brother is washing and drying dishes. His sister helps by drying each dish immediately after the
brother washes each. - Answer: Performance via Pipe lining
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