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platforms and products Online Quiz - 30

Description: platforms and products Online Quiz - 30
Number of Questions: 20
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Tags: platforms and products
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Activities are basic objects, describing things a user can see or do and they can subscribe for intents.

technology platforms and products

  1. True

  2. False

Show answer
Correct Option: B

In a typical activity lifecycle, if an activity "AA1" is completely obscured by another activity "AA2", the current state of "AA1" activity is -
technology platforms and products

  1. Paused State

  2. Active State

  3. Stopped State

  4. Hidden State

  5. None of above

Show answer
Correct Option: C

If an activity is paused or stopped, the system can drop it from memory by calling -
technology platforms and products

  1. Calling drop() method

  2. Calling finish() method

  3. Calling release() method

  4. kill the process_id

  5. Above b or d

  6. None of above

Show answer
Correct Option: E

The visible lifetime of an activity happens between a call to onStart() until a corresponding call to onPause(). Choose the right answer.

technology platforms and products

  1. True

  2. False

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Correct Option: B

The foreground lifetime of an activity happens between a call to onResume() until a corresponding call to onStop().
technology platforms and products

  1. True

  2. False

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Correct Option: B

____ method is called just before the activity starts interacting with the user. At this point the activity is at the top of the activity stack, with user input going to it.

technology platforms and products

  1. onPause()

  2. onResume()

  3. onRestart()

  4. onStart()

  5. None of above

Show answer
Correct Option: B

The activity in this state is killable by the system.

technology platforms and products

  1. onDestroy()

  2. onStop()

  3. onPause()

  4. Above a & c

  5. Above a & b

  6. Above a & b & c

Show answer
Correct Option: F

The following method is called when the system is about to start resuming another activity
technology platforms and products

  1. onStop()

  2. onPause()

  3. onRestart()

  4. onDestroy()

  5. None of above

Show answer
Correct Option: B

The onStart() and onStop() methods can be called multiple times, as the activity alternates between being visible and hidden to the user.
technology platforms and products

  1. True

  2. False

Show answer
Correct Option: B

__________ method is called when activity is first created
technology platforms and products

  1. onStart()

  2. onResume()

  3. onCreate()

  4. None of above

Show answer
Correct Option: C

Between ______ & ________methods, you can maintain resources that are needed to show the activity to the user.
technology platforms and products

  1. onResume(), onStop()

  2. onStart(), onStop()

  3. onStart(), onDestroy()

  4. onResume(), onDestroy()

  5. None of above

Show answer
Correct Option: B

________ method is passed a Bundle object containing the activity's previous state, if that state was captured.

technology platforms and products

  1. onCreate()

  2. onResume()

  3. onStart()

  4. None of above

Show answer
Correct Option: A

Suppose there are two applications having same priority, but the process that has _______ priority will be killed first.
technology platforms and products

  1. Highest

  2. Lowest

  3. Medium

  4. None of above

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Correct Option: B

An Android Application can be “Alive” even when process has been killed

technology platforms and products

  1. True

  2. False

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Correct Option: B

All Android applications will remain running and in memory until the system needs its resources for other applications.
technology platforms and products

  1. True

  2. False

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Correct Option: B

A typical Android application has ________ components.
technology platforms and products

  1. 3

  2. 5

  3. 4

  4. 6

  5. None of above

Show answer
Correct Option: C

An android application includes the following components -
technology platforms and products

  1. Activity, Service, Process and Content Provider

  2. Activity, Intent, Process and Service

  3. Activity, Service, Broadcast Receiver and Content provider

  4. Service, Process, Broadcast Receiver and Content Provider

  5. None of above

Show answer
Correct Option: C

Android Application typically consist of several screens where each screen is implemented by more than one activity. Choose the right answer.
technology platforms and products

  1. True

  2. False

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Correct Option: B

A fundamental feature of Android is that an application process's lifetime is directly controlled by the application itself.

technology platforms and products

  1. True

  2. False

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Correct Option: B

An activity has essentially ___ states.

technology platforms and products

  1. 3

  2. 4

  3. 2

  4. 5

  5. None of above

Show answer
Correct Option: A
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