IT human computer science英国本科coursework

QUESTION 1

 

Menus force users to recall the syntax of a command from memory.菜单强制用户从内存中调用命令的语法

 True

 False

2 points   

QUESTION 2

 

When is form fillin a more attractive approach than menu selection?什么时候表单填充比菜单选择更吸引人？

 

Choosing an item from a list.从列表中选择项目。

 

Data entry of text or numeric values文本或数值的数据输入

 

When the grouping and sequence of menu items needs to be optimized当需要优化菜单项的分组和顺序时

 

When the users want to indicate their choice by pointing at their choice当用户想通过指向他们的选择来指示他们的选择时

2 points   

QUESTION 3

 

The most common solution to allow a user to select options, perform limited data entry or review error messages is a dialog-box.允许用户选择选项、执行有限数据输入或查看错误消息的最常见解决方案是一个对话框。

 True

 False

2 points   

QUESTION 4

 

Suppose you are designing a menu to list songs on an MP3 player that has a capacity to hold a thousand songs. Which of the following ways should you organize the songs to lead to shorter response times by the user?

 

Alphabetical.

 

Categorized by artist.

 

Categorized by file size.

 

Random.

2 points   

QUESTION 5

 

Positional consistency is a strong principle for good menu design and it is best to do what when an item is no longer available for selection in a menu?

 

Remove the item.

 

Gray the item out.

 

Allow user to select the item, but the corresponding action will not perform.

 

Provide an instruction saying not to use this selection.

2 points   

QUESTION 6

 

In order to deal with this depth-breadth trade-off, breadth (more items per level, but less level) breadth is preferred over depth (less items per level, but more levels).

 True

 False

2 points   

QUESTION 7

 

When menus vary their sequence of items adaptively to reflect pattern of use (i.e. moving the most frequently selected objects towards the top), users generally prefer this method.

 True

 False

2 points   

QUESTION 8

 

Audio menus can be useful when one's hands and eyes are busy, or to assist  vision-impaired users.

 True

 False

2 points   

QUESTION 9

 

In order for a computer language to be effective, it should...

 

Represent the user's tasks.

 

Satisfy the human needs for communication.

 

Be easy to record, manipulate and display the language on a computer.

 

All of the above

2 points   

QUESTION 10

 

The primary difference between a command language and a menu-selection system is command-language users must recall notation and initiate the action.

 True

 False

2 points   

QUESTION 11

 

Command languages are more effective if you provide an exorbitant number of objects and actions, so that the user will be more likely to communicate with commands that seem natural to them.

 True

 False

2 points   

QUESTION 12

 

Using a metaphor as a part of an interface can aid learning, problem solving and retention. The designer should choose a metaphor closer to the computer domain.

 True

 False

2 points   

QUESTION 13

 

Visual distractions or noisy environments interfere with cognitive processing.

 

 True

 False

2 points   

QUESTION 14

 

Selection menus provide meaningful structure. This property is also beneficial for command languages.

 True

 False

2 points   

QUESTION 15

 

Unix is a successful operating system because its command language uses obvious naming strategies for its various commands.

 True

 False

2 points   

QUESTION 16

 

Natural language interaction a good strategy to use for input.

 True

 False

2 points   

QUESTION 17

 

Much spam comes from small companies and individuals who take advantage of the low cost of e- mail to send blanket notices to huge lists of unfiltered e- mail addresses. 

 

 True

 False

2 points   

QUESTION 18

 

There has been little progress with regard to input-output devices since computers first became widely available in the 1960s.

 True

 False

2 points   

QUESTION 19

 

Modern keyboards have been refined carefully and tested thoroughly in order to provide the user with maximum versatility. Which of the following choices is the most important characteristic of a keyboard in order to assist in touch-typing?

 

Provide LED lights for the CAPS LOCK key.

 

Place a calculator-style number pad as part the right of the keyboard.

 

Tune the force and displacement of the keys carefully so that when it is pressed, it depresses and produces a subtle clicking noise.

 

Provide additional function keys along the top row of the keyboard.

2 points   

QUESTION 20

 

Which of the following devices are direct-control pointing devices?

 

Mouse

 

Joystick

 

Touchscreen

 

Eye-Tracker

2 points   

QUESTION 21

 

Pointing devices are always faster than a keyboard control for the same operation for visually impaired users.

 True

 False

2 points   

QUESTION 22

 

Fitt's law is a predictive model of time and what does it predict?

 

The number of words-per-minute a user can type.

 

The time it takes to point to a target based on width and distance.

 

The speed at which the data density of circuits increases over time.

 

The time it takes for a computer to audibly output a text document.

2 points   

QUESTION 23

 

Speech is not an ideal interface for word processors because voice commanding is more demanding of the user's working memory than is hand-eye coordination. 

 True

 False

2 points   

QUESTION 24

 

Modern computers are alienating and anti-human.

 True

 False

2 points   

QUESTION 25

 

Why can designing a system for cooperation be a challenge?

 

Balancing the subtle questions of trust, etiquette, deceit and potentially abusive behavior.

 

 

People generally do not want to cooperate, as they find it unsatisfying and unproductive.

 

There hasn't been any research done on cooperation due to the multiplicity of users.

 

None of the above.

2 points   

QUESTION 26

 

Research in cooperative interfaces is often more complicated than in single user interfaces.

 True

 False

2 points   

QUESTION 27

 

The way the conversations are managed and moderated tends to have a higher complexity in online communities.

 True

 False

2 points   

QUESTION 28