c Language

C Questions
1. What does static versatile mean?
autonomic nervous system: tranquil variables argon the variables which retain their values between the function c in alls. They atomic number 18 initialized only once their scope is within the function in which they are defined.
2. What is a pointer?
Ans: pointers are variables which stores the lecture of another variable. That variable may be a scalar (including another pointer), or an aggregate ( pasture or structure). The pointed-to object may be part of a larger object, such as a field of a structure or an member in an array.
3. What are the uses of a pointer?
Ans: Pointer is used in the following cases
i) It is used to access array elements
ii) It is used for dynamic memory allocation.
iii) It is used in visit by reference
iv) It is used in information structures like trees, graph, relate list etc.
4. What is a structure?
Ans: Structure constitutes a super data vitrine which represents several contrasting data types in a maven unit. A structure net be initialized if it is static or global.
5. What is a union?
Ans: Union is a prayer of heterogeneous data type but it uses efficient memory utilization technique by allocating abounding memory to hold the largest member. Here a single area of memory contains values of different types at different time. A union can never be initialized.
6.



What are the differences between structures and union?
Ans: A structure variable contains each of the telld members, and its size is large enough to hold all the members. Structure elements are of same size.
A union contains iodine of the named members at a given time and is large enough to hold the largest member. Union element can be of different sizes.
7. What are the differences between structures and arrays?
Ans: Structure is a collection of heterogeneous data type but array is a collection of homogeneous data types.
Array
1-It is a collection of data items of same data type.
2-It has declaration only
3-.There is no keyword.
4- array name represent the address of...If you want to get a effective essay, order it on our website: Ordercustompaper.com



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