c programming

1)

To obtain the proper amount of memory required, which argument should you place in the malloc() function?

Select an answer:

• the number of bytes required

• a pointer

• the size of the data type required multiplied by the number items

• a pointer of the data type required multiplied by the number of items

2)

What is the array notation equivalent of the following expression: *(array+3)

Select an answer:

• array[3]

• *array[3]

• The expression cannot be translated into array notation.

• array[3][0]

3)

Adding 1 to the address stored in integer pointer ptr does what?

Select an answer:

• It adds one byte (memory location) to the address stored in ptr.

• It causes an error as you cannot manipulate memory stored in a pointer.

• It adds the integer value 1 to the address stored in the pointer variable.

• It adds to the address stored the size of one integer variable.

4)

What are four pieces of information you can gather about a variable?

Select an answer:

• Data type, name, sizeof operator, and ampersand operator.

• Data type, name, initial value, storage size, and location in memory.

• Data type, name, size in bytes, and location in memory.

• You can obtain only three pieces of information about a variable: its data type, name, and value.