Which of the following frameworks is needed to apply a border to an object?

How can it be detected if the app is running on an iPhone 5?

Which is not a valid Touch method with respect to Cocoa Touch programming?

Which will return the device's current location?

Correct way to print out stack/trace to the console/log in Cocoa application?

Which is not a valid UIGestureRecognizer?

Which methods is used for the purpose of creating your view objects in memory management?

While opening Nib files, which of the following should not be ignored?

Which OpenGL ES objects is a simple 2D graphics image in a specified format?

When you send an object a retain message in Memory Management using Objective-C, what will happen?

Consider the following code with 2 alternatives of vector operator for OpenGL ES: highp float f0,f1; highp vec4 v0, v1; Alternative 1: v0 = (v1*f0)*f1; Alternative 2: v0 = v1 * (f0 * f1); Which alternative demonstrates proper use of vector operations?