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iPhone Programming OS 4.0 Test
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iPhone Programming OS 4.0 Test
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25 Questions

1. What is the default value of the fontSize property of the CATextLayer class?
2. Which of the following terms are related to Memory Management in Objective-C?
3. Which Core Audio Services framework handles positional and low-latency audio services in iPhone OS 4.0?
4. Which of the following copy functions will you use in Objective-C to create an entirely new compound object?
5. Locking all connections before editing the Nib files can be achieved by using:
6. What is the data type of extendStart parameter of function CGShadingCreateAxial of class CGShading?
7. Which of the following is NOT a parameter of function SecKeyDecrypt of the class SecCertificate in iPhone OS 4.0?
8. What will be the return value of function ABPersonComparePeopleByName when person1 goes before person2 in class ABPersonComparePeopleByName in iPhone OS 4.0?
9. Which of the following languages can be used to write the code for Xcode projects?
10. Which of the following directives are used to declare and define classes - categories - and protocols?
11. What will the following method call do if the value of the accessed counter is 0?(void)discardContentIfPossible
12. If you want to rotate an object using Core Animation - in radians - in the z axis - which of the following key paths of a layer's CATransform3D matrix will you use?
13. What will happen if your filename ExampleImage.png is being called as follows:[UIImage imageNamed:@"ExampleImage.PNG"]
14. Which of the following animation class provides simple interpolation between values for a layer property?
15. What is the default setting to refer to file locations in your Xcode project?
16. What will happen if an application is running and the user presses the Home button in iPhone OS 4.0 with 3GS?
17. What will the following method definition do if the value of the accessed counter is 0?(void)discardContentIfPossible
18. Which of the following statements regarding Objective-C are correct?
19. What is the function of the Code Sense feature in Xcode?
20. Which of the following debugging tasks are provided by Xcode to find and squash bugs in your code?
21. Which symbol is used as a syntactic marker for blocks of code in iPhone OS 4.0?
22. What type of value is assigned to the loc-args child property of alert property in an Apple Push Notification?
23. Which of the following are NOT a property of UIImagePickerController class in iPhone OS 4.0?
24. Which of the following need to be modified while localizing an application?
25. Which of the following statements is correct regarding functions fopen and open in generic C?

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