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Question $1$

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A $\_\_\_\_\_\_\_\_\_\_\_$ in HCI terms is a mechanism that restricts the allowed behaviour of a user when interacting with a computer system.

Select one:

a$.$

mapping

b$.$

affordance

c$.$

none of the above

d$.$

hyper connectivity

e$.$

constraint

Question $2$

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Before a system can be internationalised or localised many factors need to be addressed. Which of the following overt factors are true?

Select one:

a$.$

Dates, calendars, sound, telephone numbers and address formats

b$.$

Calendars and sound

c$.$

Dates, calendars, publicly observable elements, and telephone number and address formats

d$.$

Sound.

e$.$

Dates, calendars, and publicly observable elements

Question $3$

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Efficiency can be defined as:

Select one:

a$.$

How well a system is doing what it was designed to do$.$

b$.$

How well a system supports users in carrying out their work accurately and completely.

c$.$

How easy user learns from the system.

d$.$

How easy user remembers the system.

Question $4$

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Choose the correct statements about attention:

Select one:

a$.$

Attention is the process of concentrating on something at a specific point in time.

b$.$

People do not differ in terms of their attention span.

c$.$

Attention is influenced by the way information is presented and people do not differ in terms of their attention span.

d$.$

Attention is influenced by the way information is presented; some people$$s attention can be distracted while others can concentrate on a task irrespective of external disturbances; and Attention is the process of concentrating on something at a specific point in time.