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IT human computer science英国本科coursework

论文价格: 免费 时间:2019-03-21 15:28:46 来源:www.ukassignment.org 作者:留学作业网

IT人机科学英国本科课程作业

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
#p#分页标题#e#
 
For synchronous exchanges of messages among a stable set of participants, the preferred user interface is text-based chat.
 True
 False
2 points   
QUESTION 29
 
Which of the following is a benefit of electronic meeting systems?
 
 
Participants can add their contributions by projecting their displays for the group to see.
 
 
Increases eye contact among the participants.
 
 
Facilitates broader input into the meeting process and reduces the chance that only a few people will dominate the meeting.
 
 
 Guarantees meeting will be lively due to aesthetically pleasing slides.
 
2 points   
QUESTION 30
 
In small-group collaborative-learning experiences among students pairs often learn better than individuals.
 True
 False
2 points   
QUESTION 31
 
Systems that require little or no training, for example picking the amount to withdraw from an Automated Teller Machine, e.g. $20, $40, $60, etc. is an example of an application where menu selection and form fillin is more appropriate than a direct-manipulation strategy.
 True
 False
2 points   
QUESTION 32
 
Keyboard shortcuts can help when frequent menu users are becoming annoyed because they must make several menu selections to complete a simple task.
 True
 False
2 points   
QUESTION 33
 
If users work too quickly, they may learn less, read with lower comprehension, commit more data- entry errors, and make more incorrect decisions.
 
 True
 False
2 points   
QUESTION 34
 
When constructing system messages use  consistent abbreviation rules which prefer one letter abbreviation over truncation.
 True
 False
2 points   
QUESTION 35
 
Command languages are attractive when frequent use of a system is anticipated and the users are knowledgeable about the task and interface concepts.
 True
 False
2 points   
QUESTION 36
 
A Kiosk application will usually feature a touch screen so users can select a city by pointing on a map. This is because there is no external pointing device (e.g. mouse) required and it is an intuitive interface design requiring no training.
 True
 False
2 points   
QUESTION 37
 
Speech generation and recognition may improve universal usability for those with physical challenges however speech output is slow when compared to visual displays.
 True
 False
2 points   
QUESTION 38
 
Designers suggest that speech recognition should be used in a telephone menu system because a limited vocabulary is required to operate a phone.
 True
 False
2 points   
QUESTION 39
 
Short-term memory generates and implements solutions.
 
 True
 False
2 points   
QUESTION 40
 
The mouse is appealing because of its low cost and wide availability.
 
 True
 False
2 points   
QUESTION 41
 
As users move from trees to acyclic networks to cyclic networks the potential for getting lost increases and the designer should provide a sense of how far they are from the main menu, by offering menu maps or site maps.
 True
 False
2 points   
QUESTION 42
 
Natural-language Text Generation can generated reports from structured databases which can be sent out automatically, while timely spoken reports can be made available over the telephone in multiple languages.
 True
 False
2 points   
QUESTION 43
 
Pointing and selecting in context is often more attractive than typing or even speaking an English sentence..
 True
 False
2 points   
QUESTION 44
 
Well-designed command languages that have a meaningful structure are usually the most effective and yet many systems will not provide meaningful structure to their command language.
 True
 False
2 points   
QUESTION 45
 
You are in charge of designing an asynchronous online conferencing tool that will allow business employees to vote and comment on certain issues. A big advantage of building a tool in this form is that the conference leaders can gauge how the participants react by watching their faces.
 True
 False
2 points   
QUESTION 46
 
The cooperative interface for Email can be grouped into what categories
 
Synchronous local
 
Asynchronous local
 
Synchronous distributed
 
Asynchronous distributed
2 points   
QUESTION 47
 
The cooperative interface for Instant Messaging can be grouped into what categories:
 
Synchronous local
 
Asynchronous local
 
Synchronous distributed
 
Asynchronous distributed
2 points   
QUESTION 48
 
The cooperative interface for Group calendars can be grouped into what categories:
 
Synchronous local
 
Asynchronous local
 
Synchronous distributed
 
Asynchronous distributed
2 points   
QUESTION 49
 
Response time is the number of seconds the user thinks before entering the next action.
 
 True
 False
2 points   
QUESTION 50
 
Broadband service providers typically do not offer the same upload and download speeds, typically download speeds are faster.
 
 True
 False
 
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