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  • Question
  • Can I increase the size of a dynamically allocated array? < Yes / No> if yes, how?


  • Correct Answer
  • Yes, using the realloc() function as shown below: main() { int *p; p = ( int *) malloc (20) ; t = p; t = (int *) realloc ( p, 40); if ( t == NULL ) Printf (" Cannot reallocate, leaves previous allocated region unchanged "); else { if ( p ==t ) ; / * the array expanded at the same region */ else { free ( p ); / * deallocate the original array */ p = t; /* set p to newly allocated region */ } } } 


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    • Options
    • A. composite keys.
    • B. determinants.
    • C. candidate keys.
    • D. foreign keys.
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    • 2. What does microprocessor speed depend on?
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    • 3. What does RSI stand for?
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    • 4. Which Stack is used in 8086?
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    • 5. What is object repository?
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    • 6. Which is the Stack used in 8085?
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    • 7. What does GUI stand for?
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    • 8. What is the main reason the OSI Model was created?
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    • 9. Ethernet uses which topology

    • Options
    • A. Star
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    • C. Twisted pair
    • D. Both B & C
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    • 10. What are various scheduling queues?
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