When systems do not speak the language of the user, which heuristic is violated?

Match between system and the real world.

What can we say about the number of transistors that a dollar can buy?

It has not been growing since a few years ago.

Transaction-processing systems:

Involve operations that are repetitive.

What are the essential functions of hardware components?

To store, process, and to communicate information.

As discussed in class, our collective use of IT may come at the cost of:

concentration, privacy, and equality.

What are the main ways consumers pay for IT services?

With money, attention, or information.

In the computing discipline, what does 'compiling' mean?

Translating programming code to machine code.

How has IT been compared to a house?

Switching activities is like navigating through rooms.

Which of the following statements about data science and machine learning is true?

Neural networks are a form of supervised learning.

In what way is WeChat more powerful than Facebook or Google?

It combines more functionality in one app.

Which is the correct workflow for data science?

Import->Tidy->Understand->Communicate.

How do security concerns typically relate to access concerns?

People need to balance security and access concerns.

Grouping related patient outcomes in a large database through similarities in the patients' genome sequences is via ...

classification via supervised learning.

As reported in the Economist, what is the biggest promise of quantum computing?

It will make computing much faster.

What is the problem with IPv4 that IPv6 attempts to solve?

There aren't enough IPv4 addresses for all Internet devices.

What are the components of software?

Data, application, and the user interface.

What is an affordance?

A quality of an object that defines its possible uses.

How was the onion presented as a metaphor?

ICT consists of many hardware and software layers.

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COMP111 2020S2 Revision Bank One

35 termsStudBud Administration309 plays

Revision questions for the course

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Questions 35

Answers

1
The syntax of an algorithm depends on:
Both of the above.
None of the above.
the programming language.
the hardware components you use.
2
When systems do not speak the language of the user, which heuristic is violated?
Recognition rather than recall.
Match between system and the real world.
User control and freedom.
Error prevention.
3
According to Kevin Mitnick, what is the weakest link in security systems?
Biometric devices.
People.
Intrusion-detection systems.
Firewalls.
4
Which of the following affects the processing speed of a computer?
The internal clock rate of the processor.
The architecture of the processor.
All of the above.
The number of processors.
5
What can we say about the number of transistors that a dollar can buy?
It is still growing exponentially.
It has not been growing since a few years ago.
Both a and b are true.
It is predicted to grow until 2020.
6
Transaction-processing systems:
Require extensive managerial judgment.
Require maximum human involvement.
Involve low volumes of data.
Involve operations that are repetitive.
7
What is the name for software that augments the physical environment with digital information?
Augmented Reality browser.
Virtual Reality browser
Augmented Reality portal.
Virtual Reality portal.
8
Algorithms can deal with a variety of problems of different sizes by...
looping and hashing.
looping and repeating.
looping and branching.
hashing and repeating.
9
What are the essential functions of hardware components?
To process data and transmit it to other components.
To store data & make it available to other components.
To coordinate the operation of software.
To store, process, and to communicate information.
10
As discussed in class, our collective use of IT may come at the cost of:
equality and privacy.
concentration, privacy, and equality.
enjoyment and privacy.
concentration and privacy.
11
What are the main ways consumers pay for IT services?
With money and information.
With money or time.
With money, attention, or information.
With money, attention, information, or reviews.
12
Over the years, what has changed in the information about social networks?
All of the above.
It has become more explicit.
It has become more shared.
It has become more structured.
13
To run, all applications on a general-purpose computer (like a PC) rely on:
None of the above are true.
a license agreement.
Both of the above are true.
an operating system.
14
In the computing discipline, what does 'compiling' mean?
None of the above.
To ensure smooth operation of an algorithm.
Assembling the different components of an algorithm.
Translating programming code to machine code.
15
How has IT been compared to a house?
All of the above.
IT has become a social space for gatherings.
People have much control over how IT looks to them.
Switching activities is like navigating through rooms.
16
Which of the following statements about data science and machine learning is true?
Neural networks are a form of supervised learning.
Neither statement is true.
They are terms for the same basic concept.
Both statements are true.
17
The hexadecimal system contains 4-bit characters, each character from 0-9 and from a to:
R
B
F
Q
18
In what way is WeChat more powerful than Facebook or Google?
All of the above.
It is under direct control of the government.
It combines more functionality in one app.
It is used by more people.
19
What type of information can we encode into binary using ASCII?
Images
Text
All of the above.
Video
20
Which is the correct workflow for data science?
Communicate->Understand->Tidy->Import.
Import->Tidy->Understand->Communicate.
Tidy->Communicate->Understand->Import.
Understand->Tidy->Import->Communicate.
21
What are examples of switching hardware?
Modems and hubs.
Ethernet adaptors and routers.
Optical network terminal and Ethernet adapters.
Routers and hubs.
22
How do security concerns typically relate to access concerns?
Security measures are added after access needs are met.
People need to balance security and access concerns.
In most situations, both need to be maximized.
None of the above.
23
Grouping related patient outcomes in a large database through similarities in the patients' genome sequences is via ...
clustering via supervised learning.
regression via supervised learning.
clustering via unsupervised learning.
classification via supervised learning.
24
As reported in the Economist, what is the biggest promise of quantum computing?
It will make computing much cheaper.
It will make computing much faster.
It will make computing more accessible worldwide.
It will make computers much smaller.
25
What is the problem with IPv4 that IPv6 attempts to solve?
IPv4 is too slow.
IPv4 addresses are too hard for humans to remember.
There aren't enough IPv4 addresses for all Internet devices.
IPv4 is not compatible with mobile devices.
26
What is understanding the role of information in generating and using business intelligence?
Business ability.
Information retrieval.
Business mastery.
Information literacy.
27
What are the components of software?
Applications and services.
Data, application, and the user interface.
Data, information, and knowledge.
Operating system and applications.
28
In data storage devices, a capacity of one gigabyte (GB) is equivalent to approximately:
one billion bytes.
one thousand bytes.
one trillion bytes.
one million bytes.
29
Which of the following encoding systems allow for 2-way translation (both encoding & decoding)?
Base64.
Both base64 and hexadecimal
Neither base64 nor hexadecimal.
Hexadecimal.
30
k-nearest neighbour (k-NN) is an algorithm for
data visualisation.
None of the above.
data clustering.
data classification.
31
What is an affordance?
It refers to our ability to operate a certain artefact.
A quality of an object that defines its possible uses.
The potential for an object not to be affordable by someone.
It is a rule about how we interact with objects around us.
32
What is NOT a pillar of Information Assurance?
Integrity
Privacy
Authenticity
Availability
33
In the context of the data component of an information system, external data sources include:
Sales records.
Personnel records.
Transaction data.
Labour statistics.
34
How are online social networks different from actual (offline) social networks?
The information about connections is structured.
The information about connections is formalized.
The information about connections is centralized.
All of the above are true.
35
How was the onion presented as a metaphor?
Analysing its parts can make you cry.
ICT consists of many hardware and software layers.
Individual, organisational, & societal use of ICT layers.
ICT is much more complex than it looks.

COMP111 2020S2 Revision Bank One Flashcards | StudBud