C-MCQs - CSE MCQs Questions and Answers

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Which of the following is a storage specifier?

enum

union

auto

volatile

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Default storage class if not any is specified for a local variable, is auto:

true

false

Depends on the standard

None of the mentioned

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Automatic variables are stored in:

stack

data segment

heap

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What linkage does automatic variables have?

Internal linkage

External linkage

No linkage

None of the mentioned

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What is the output of this C code?

    int main()
    {
        auto i = 10;
        const auto int *p = &i;
        printf("%d\n", i);
    }

Compile time error

Depends on the standard

Depends on the compiler

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Automatic variables are variables that are?

Declared within the scope of a block, usually a function

Declared outside all functions

Declared with auto keyword

Declared within the keyword extern

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Automatic variables:

Exist only within that scope in which it is declared

Cease to exist after the block is exited

Both (a) & (b)

Only 1

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Automatic variables are allocated memory in?

heap

Data segment

Code segment

stack

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What is the output of this C code?

    void main()
    {
        int x;
    }

here x is?

automatic variable

static variable

global variable