Are You a Handle Master?

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Which of the following statements accurately describes a handle?

A handle is a type of pointer that is used to access resources.

A handle is a reference to a resource that is abstract and controlled by a system's memory management. (correct)

A handle is a data type that stores a resource's metadata.

A handle is a direct memory address that points to a resource.

What is the purpose of using a handle?

To create a copy of a resource.

To store metadata about a resource.

To directly access and manipulate a resource's memory.

To ensure that resources are used in a safe and efficient manner. (correct)

What does an operating system give a program when it asks for a file from the file system?

A copy of the file.

A handle to the file. (correct)

The file's memory address.

The file's metadata.

How does a handle differ from a pointer?

A handle contains the address of the item to which it refers, while a pointer is an abstract reference. Signup and view all the answers

What analogy does the text use to explain a handle?

A key to a specific house in a city. Signup and view all the answers

Which of the following accurately describes a handle?

A handle is a reference to a resource used when application software references blocks of memory or objects managed by another system. Signup and view all the answers

What is the difference between a pointer and a handle?

A pointer is an abstract reference controlled by a system's memory management system, while a handle literally contains the address of the item to which it refers. Signup and view all the answers