Chapter 2 Flashcards
What is a UI?
User Interface
Which of the following is not a common computer metaphor?
Door handles
Which of the following is not an instance?
Menu
Computers do
Exactly what you tell them to do
A good way to learn how to use a new application or piece of software is to
Click around
Each time you paste, what is made of that saved version?
Copy
What key sequence does ^C indicate to the user
Ctrl+C or Command+C
When computers went mobile, this popular device was now a problem.
Mouse
What company introduced the mouse?
Xerox
Digital is better than analog encoding of information because with digital it is possible to have a(n)_____.
Exact Copy
Software designers help users understand their software through the use of ____.
Metaphors
Open, New, Close, and Save can usually be found in the ____ menu.
File
Perfect reproduction is a property of ______information.
Digital
In an application with menus, Undo, Cut, Copy, and Paste can usually be found in the _____menu.
Edit
What are the three steps of the placeholder technique?
High, edit, restore
_____ and_____ are important to keep in mind when using a placeholder
Avoid placeholder collisions; Replace before final proofreading
____ is any indication that the computer is still processing a task or has already completed it.
Feedback
Overlapping windows were first used in the user interface of the_____.
Alto Computer
Usually applications from the same vendor are
Consistent
Explain the desktop metaphor
The desktop metaphor became the universal way most people thought of using a computer. The computer became a virtual desktop on which one could store, view, and edit documents. Most people were familiar with desks, but fewer understood command line programs. So the metaphor made the basic computer operations simpler for people to understand and use
Discuss the advantages of a consistent interface from both the consumer’s and developer’s point of view.
Advantage of consistent interface from developers point of view
developers can reuse the same code in different applications which are common operations that are required in every application. With the consistent interface using in all applications the developers can reduce the time required for the common controls like icons and menus.
What is the purpose of computers displaying progress bars when items are loading?
Inform the user that the computer is still working, and giving an estimate of how much work remains.
Explain why both copy and paste are considered copying information.
Copy makes a duplicate entry of the selection in memory; Paste duplicated the contents of the memory to the selection. Both are copies of digital information.
Angel decided to use the placeholder “the” to stand for Theodore Hertzsprung Englebert. Why was this a bad placeholder for Angel to use? Explain your answer in detail
When Angel goes to change “the” to “Theodore Hertzsprung Englebert,” she will also be changing all of the actual the’s to the name as well. She should choose a placeholder more unique like a unique symbol or word.
