INFO 423 Exam I - Preparing

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1






INFO 423 Exam I
-

Preparing

INFO

423 Exam I
-

Preparing


This exam consists of 21 multiple choice questions. They are based on the material from
the lecture notes and the textbook. It covers Chapters 1 through 7.


To get a feel of the type of questions, please try the practice exam
below. Answers are at
the end.



1. What are the three types of reasoning?


A Deductive, Productive and Inductive

B Abductive, Inductive and Deductive

C Inductive, Abductive and Reproductive

D Productive, Reproductive and Deductive



2. Why is haptic perce
ption important in Virtual Reality?


A It provides feedback when an object is picked up

B It prevents the user becoming uncomfortable

C It increases the acuity of the fingers

D It allows the user to respond to physical stimuli



3. What might cause us to f
orget a piece of information?


A Acquiring new information

B Emotional factors

C Both of the above

D Neither of the above



4. What is the main strength of the Problem Space Framework
as a model of human problem solving?


A It operates within the constrain
ts of the human
processing system

B It explains what is involved in insight

C It allows ill
-
defined problems to be solved

D All of the above



5. Which of the following is a long
-
term individual
difference:


A Age

B Sex

C Fatigue

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INFO

423 Exam I
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Preparing

D All of the above

E None
of the above



6. A computer can be defined as


A The participant in an interaction that runs a program

B The participant in an interaction that is interactive

C The interaction part of participation

D The silicon chip inside a box



7. Speech technology i
s a small area of commercial interest


TRUE/FALSE



8. ASCII codes are used


A To represent numbers

B To transmit information securely

C To identify the author of a document

D To represent letters, numbers, symbols, punctuation and
control characters



9.
Buffering is used in interactive systems


A To remember what the user has done and react
appropriately

B To draw on the screen efficiently

C To allow easy access to recently used programs and
documents

D No it isn't


10. Models of interaction are useful


A

Because they allow us to compare different users for
efficiency

B Because they are mathematical

C Because they allow us to understand the concepts in a way
abstracted from any particular system

D No they aren't



11. Pregnant women should avoid using comp
uters for
extended periods of time because


A They should not sit down for too long

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INFO 423 Exam I
-

Preparing

B The noise of the keyboard is distressing for their baby

C They should be at home

D There have been suggested health risks



12. Windows


A Are regions that behave as if t
hey were independent
terminals

B Are regions that are integrated with each other

C Were invented by Microsoft

D Are screen areas that allow the user to look into
applications



13. 'Look and feel'


A is an important characteristic of command line systems

B

is an unimportant characteristic of command line systems

C is an important characteristic of WIMP interfaces

D is an unimportant characteristic of WIMP interfaces



14. Usability paradigms derive from theoretical knowledge
of the psychological, computatio
nal and sociological
aspects of the interaction.


TRUE/FALSE



15. Which statement best describes a direct manipulation
system


A It uses technology to immerse the user in a virtual world

B It demands knowledge of a complex command language

C It offers rap
id feedback for incremental and reversible
user actions

D Input and output are clearly distinguished



16. A usability principle in the learnability category
refers to a property that


A supports the user in assessment and achievement of goals

B enables no
vice users to achieve maximal performance

C supports multiple ways of exchanging information between
system and user

D supports understanding of the underlying system functions


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INFO

423 Exam I
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Preparing


17. You are driving down a busy one
-
way street and miss
your turning. To corr
ect this you would make use of


A Backward error recovery

B Forward error recovery

C Either

D Neither



18. Requirements specification involves


A Capturing the functional requirements of the system
architecture

B Eliciting information about the work domai
n from the
customer

C Capturing the non
-
functional requirements of the system
architecture

D Translating the natural language of the work domain into
an executable form



19. Application of standards and guidelines to kick
-
start a
design exercise is an exa
mple of a generative usability
technique.


TRUE/FALSE



20. In HCI, Wizard of Oz refers to


A A hidden designer pretending to be a computer

B The way users interpret inconsistent system behaviour as
being magical

C The establishment of clear pathways with
in hypertext
systems

D Giving diplomas to successful users



21. IBIS is a process
-
oriented design rationale. This means


A It captures claims about the psychology of the user
implicit in an interactive system

B It provides a historical record of design de
cisions and
is tailored for use during design discussions

C It captures the story of the design at any one time

D It iterates through several prototypes of a design



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INFO 423 Exam I
-

Preparing


Answers:


1. What are the three types of reasoning?

B Abductive, Inductive and Deductive


2. Why is haptic perception important in Virtual Reality?

A It provides feedback when an object is picked up.


3. What might cause us to forget a piece of information?

C Both of the above


4. What is the main strength of the Problem Space Framework
as a
model of human problem solving?

A It operates within the constraints of the human
processing system


5. Which of the following is a long
-
term individual
difference:

B Sex


6. A computer can be defined as

A The participant in an interaction that runs a prog
ram


7. Speech technology is a small area of commercial interest

FALSE


8. ASCII codes are used

D To represent letters, numbers, symbols, punctuation and
control characters


9. Buffering is used in interactive systems

A To remember what the user has done a
nd react
appropriately


10. Models of interaction are useful

C Because they allow us to understand the concepts in a way
abstracted from any particular system


11. Pregnant women should avoid using computers for
extended periods of time because

D There hav
e been suggested health risks


12. Windows

A Are regions that behave as if they were independent
terminals


13. 'Look and feel'

C is an important characteristic of WIMP interfaces

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INFO

423 Exam I
-

Preparing


14. Usability paradigms derive from theoretical knowledge
of the psychologi
cal, computational and sociological
aspects of the interaction.

FALSE


15. Which statement best describes a direct manipulation
system

C It offers rapid feedback for incremental and reversible

user actions


16. A usability principle in the learnability cat
egory
refers to a property that

B enables novice users to achieve maximal performance


17. You are driving down a busy one
-
way street and miss
your turning. To correct this you would make use of

B Forward error recovery


18. Requirements specification invo
lves

B Eliciting information about the work domain from the
customer


19. Application of standards and guidelines to kick
-
start a
design exercise is an example of a generative usability
technique.

TRUE


20. In HCI, Wizard of Oz refers to

A A hidden design
er pretending to be a computer


21. IBIS is a process
-
oriented design rationale. This means

B It provides a historical record of design decisions and
is tailored for use during design discussions