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UCC > IS1001 #2 > Flashcards

IS1001 #2 Flashcards

1
Q

what is the cloud symbol used for?

A

to represent the internet in flow charts

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2
Q

who described cloud computing as an approach to data storage?

A

Google CEO, Eric Schmidt

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3
Q

what does NIST stand for?

A

National Institute of Standards and Technology

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4
Q

what is cloud computing?

A

a model for enabling convenient. on demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction

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5
Q

having your data and/or software stored somewhere besides your personal computer and being able to get it through is called?

A

cloud computing

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6
Q

5 cloud characterisitcs?

A
  • ON-demand self service
  • broad network access
  • Resource pooling
  • rapid elasticity
  • measured service
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7
Q

cloud service models?

A

cloud clients
SaaS (sofware as a service)
PaaS (platform)
IaaS (infrastructure)

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8
Q

SaaS

A

virtual desktop
games
communication

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9
Q

IaaS

A

virtual machines
network
machines servers
storage

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10
Q

PaaS

A

web server
database
development tools

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11
Q

cloud clients

A

web browser, mobile app

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12
Q

IaaS example?

A

amazon web services
google compute engine

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13
Q

SaaS examples

A

surveymonkey
dropbox
google apps

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14
Q

PaaS Examples

A

force.com
google app engine

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15
Q

3 challenges of Cloud computing?

A
  • security and privacy
  • limited control and flexibility
  • Compliance/legal
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16
Q

what did Nick Szabo create?

A

bit gold

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17
Q

who created bitcoin

A

satoshi Nakamoto

18
Q

what is a cryptocurency?

A

a medium of exchange using cryptography to secure transactions and to control the creation of additional units of currency

19
Q

two classifications of cryptocurrency?

A
  • subset of alternative currencies
  • Subset of digital currencies
20
Q

read attributes

A
  • Digital
    • Uses cryptography to secure transactions
    • Uses cryptography to control creation of new units
    • Decentralized control
      ○ Banking and economic systems are centralized
    • Rate of creation defined and public
      ○ Supply cannot be altered by fiat
    • Semi-anonymous
      ○ More like cash than standard digital banking
      ○ Your address is still given if you have goods delivered
    • Assumes mutually distrustful parties
      Use of encryption
21
Q

examples of cryptocurrency?

A

Bitcoin
Dogecoin

22
Q

can yo purchase goods with cryptocurrencies in Russia?

A

NO

23
Q

what did the US tax authorites rule about Bitcoin?

A

That it was property rather than currency for taxation purposes

24
Q

why are we not completely digital?

A
  • volatility
  • switching cost
  • Average users not tech savvy enough to protect assets
  • network effect
  • lack of regulation to ensure stability
25
Q

where is the transaction information added online is ?

A

blockchain

26
Q

how long does it take to generate a new link?

A

about 10min

27
Q

what is a bitcoin>

A

a SHA-256 hash

28
Q

where are bitcoin stored?

A

a file called wallet

29
Q

what does the wallet hold?

A

1) each address bitcoins are sent and received from
2) password/private key known only to the user

30
Q

what is mining?

A

The generation of new currency with a computationally intensive task

31
Q

what impact do cryptocurrencies have?

A
  • more difficult for governments to gather data on economic activity
  • reduced consumer confidence in fiat currencies
  • affects the ability of central banks to influence the price of credit for the economy
32
Q

what are the benefits of cryptocurrencies?

A
  • Avoid mismanagement by central banks handling fiat currency
  • 24/7
  • Lower transaction costs
  • Community
  • World currency
  • Competition
33
Q

what are the concerns?

A
  • Unregulated person to person global economy will enable anonymous criminality
  • High volatility of currencies
  • Lack of consumer protection
  • Environmental cost of mining is wasted energy
34
Q

Internet of Things is?

A
  • Exchange data
  • Network connectivity
  • Network of physical objects of things
  • sofware, electronics
35
Q

where can this be applied?

A
  • health care
  • smart cities
  • automotive
  • smart manufacturing
36
Q

when was the internet of things concept discussed?

A

1980s

37
Q

early examples of the IoT?

A

Coke machine ar CMU

38
Q

Drivers of IoT Present

A
  • Ubiquitous networks
  • Connected computing
  • Ubiquitous sensors
  • Intelligence at the periphery of the network
  • Analytics as a service
  • Marketing automation
  • Supply chain analytics
39
Q

benefits of IoT?

A
  • Tracking behavior for real-time marketing
  • Enhanced situational awareness
  • Sensor-driven decision analytics
  • Process optimization
  • Optimized resource consumption
  • Instantaneous control and response in complex autonomous systems
40
Q

Concerns of the IoT?

A

read week 8

UCC (17 decks)

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