What is a basic unit of a Java program or an object?

Select one:

a. method

b. class

c. property

d. public

Question 2

What is a significant performance consideration when downloading images on a mobile device?

Select one:

a. Activities

b. image ratio

c. copyright

d. low or expensive bandwidth

Question 3

Java expects the start of the program to be in which method?

Select one:

a. private Main {}

b. private my Start(String[] args)

c. public void start()

d. public static void main(String[] args)

Question 4

Which method shows words on a screen?

Select one:

a. System.out.println();

b. printnow();

c. screen();

d. GPS();

Question 5

What is the mathematical ratio that describes how the width of a pixel in a digital image compares to the height of that pixel?

Select one:

a. pixel ratio

b. coloring ratio

c. pixel contrast

d. pixel optimization

Question 6

What is Simplicity?

Select one:

a. An interface should be easy to use from the first time the user interacts with it

b. Number of steps it takes for a user to complete a task

c. Usual tasks should be easy and less common tasks should be possible

d. User should never be allowed to make a mistake

Question 7

When using the keyword private before a variable or a method, it means only the class itself can access the variable or method. What designation would allow access to the variable or the method from any part of the Java program?

Select one:

a. void

b. Integer

c. everyone

d. public

Question 8

When web developers build a website, they typically check the result in various browsers. Some features work in Internet Explorer, but they may not work in Chrome or another browser. On mobile devices the result may be even more problematic. Since screens are small and devices limited in functionality, a web page may not render at all in a coherent way. What is a number one principal in developing mobile web interfaces?

Select one:

a. rapid development

b. testing on desktop browsers

c. cross-browser development

d. use of Flash

Question 9

When mobile devices are rotated in the hands of the user, what feature allows the application to change dimensions?

Select one:

a. development and connection

b. orientation

c. device restart

d. linear-gradient

Question 10

True or False: A mobile interface designer needs to consider a number the unique challenges. It may be difficult for a mobile user to see the screen because of the screen size and obstruction of sight by fingers or hands.

Select one:

True

False

What mobile platform competes with iPhone and iPad?

Select one:

a. iOS

b. SQL Server

c. MySQL

d. Android

Question 12

What web browser is used on the iPhone, iPad, and Apple Mac products?

Select one:

a. Web Toolkit

b. Chrome

c. Internet Explorer

d. Safari

Question 13

What is Error Recovery?

Select one:

a. An interface should be easy to use from the first time the user interacts with it

b. Number of steps it takes for a user to complete a task

c. Interface should be easier to use each time the user interacts with it

d. User should never be allowed to make a mistake

Question 14

The primitive types in Java are byte, short, int, long, float, double, char, boolean. Which one can be used to represent a word like "Hello"?

Select one:

a. char

b. none, the String object should be used

c. double

d. long

Question 15

What web technology can be used to develop web pages and also mobile web applications?

Select one:

a. C++

b. HTML

c. VBScript

d. Objective-C

Question 16

To assign a value, Java uses a single "=" sign, as in x=5. What symbol is used to compare variables or values in an if statement?

Select one:

a. .=

b. =.

c. ++

d. ==

Question 17

What language is used to develop native mobile apps on the Android platform?

Select one:

a. Cobol

b. Java

c. Objective-C

d. Android

Question 18

What type of programming does Java implement?

Select one:

a. object oriented

b. procedural

c. no-SQL

d. relational

Question 19

What is the name of the process to determine the type of browser, which is viewing a page?

Select one:

a. spying

b. declaring

c. Multimedia

d. user agent sniffing

Question 20

What is Mapping?

Select one:

a. An interface should be easy to use from the first time the user interacts with it

b. Number of steps it takes for a user to complete a task

c. Interface should be easier to use each time the user interacts with it

d. What the user expects to happen when they interact with the interface is exactly what should happen

What makes mobile devices unique and somewhat challenging as clients to web pages?

Select one:

a. hardware characteristics

b. users

c. Services

d. Intents

Question 22

What is the property sent from the device browser to the server, along with the web page request, which tells us what type of device is used?

Select one:

a. http header

b. http-version

c. device-type

d. user-agent

Question 23

True or False: Click is an event present on workstations, while mobile devices use the touch event.

Select one:

True

False

Question 24

JavaScript is a web technology, where users who execute the program can see the source code of the application. In a browser you simply right click and chose: View Source. Can users of Java programs see the source code of the application?

Select one:

a. Yes. Java is an interpreted language and it does not require that the software is compiled.

b. Yes. All languages allow users to view the source code.

c. No. Java source code can be hidden by disabling the right click.

d. No. Java requires that a program is compiled, before it is executed.

Question 25

What is Memorability?

Select one:

a. An interface should be easy to use from the first time the user interacts with it

b. Number of steps it takes for a user to complete a task

c. Interface should be easier to use each time the user interacts with it

d. User should never be allowed to make a mistake

Question 26

Which HTML meta tag is used to control layout on mobile devices?

Select one:

a. cache

b. viewport

c. refresh

d. description

Question 27

If a method does not return any value, what type would it take?

Select one:

a. Integer

b. String

c. void

d. Intents

Question 28

When a mouse lingers over an image or link on a desktop computer, it produces what event? Web developers will sometimes use the event to open popup messages or extend selections. This event is difficult to activate on a phone, where only touch is registered.

Select one:

a. CSS :visited

b. CSS :link

c. CSS :hover

d. CSS :touch

Question 29

To create an integer variable and assign a value, you would use:

Select one:

a. Int myNumber = 5;

b. myNumber = 5;

c. int myNumber; myNumber = 5;

d. 5 = myNumber;

Question 30

What is Learnability?

Select one:

a. An interface should be easy to use from the first time the user interacts with it

b. Number of steps it takes for a user to complete a task

c. Interface should be easier to use each time the user interacts with it

d. User should never be allowed to make a mistake

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