CIS3355: Business Data Structures in C/C++

Dr. Peeter Kirs

Dynamic Memory Allocation

Short Answer/Problem Questions

NOTE: Checking the answers before you have tried to answer the questions doesn’t help you at all

1000. What are the advantages of allocating memory dynamically?

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Assume that we created the data type:

Struct mydata

{

char name[20];

short DOB;

struct mydata * next;

};

And then we associate a variables with the data type struct mydata:

Struct mydata * newdata, * firstdata, * lastdata;

1050. How do we request RAM dynamically?

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1070. How much RAM would be given to us?

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1090. How do we know that we will get the memory requested?

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1100. Suppose we wish to link records together. EXPLAIN how we would go about doing it.

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1110. Illustrate (graphically) how three records might be stored in RAM

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1120. How do we free-up memory when we no longer need it?

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1130. What is the procedure needed to remove a record from a list?

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