CS 3650 - Computer Systems ICA-02

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An In Class Activity on today's lecture that is to be completed in class.

First Name *

Last Name *

Email address *

Is there a difference between heap and stack memory? *

1 point

Yes. Stack memory is automatically allocated when a function is called. The heap is managed by malloc and free.

No. They are identical.

Which of the following apply to a pointer? (Check all that apply) *

1 point

A pointer is a data type.

A pointer stores an address.

You can have pointers the point to custom data types you define (i.e., structs).

Required

What does it mean to "dereference" a pointer? *

1 point

To return the address of the variable.

To return the value of the variable it points to.

What is a Null Terminator? (Check all that apply) *

1 point

A '0' value used to end strings.

The never released first movie of the Terminator series.

Required

What happens if we forget to reclaim or "free" memory in C? *

1 point

Nothing, the OS handles that.

There is a 'memory leak' and if my process runs long enough the system will run out of memory and crash.

Nothing, C handles reclaiming memory if I forget to.

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