250+ TOP MCQs on Table Lookup and Answers [2024]

C helps anyone preparing for Brocade and other companies C interviews. One should practice these Objective Questions and answers continuously for 2-3 months to clear Brocade interviews on C Programming language.

Here is a listing of online C quiz on “Table Lookup” along with answers, explanations and/or solutions:

1. What will be the output of the following C code?

```
    #include 
```
```
    struct student
```
```
    {
```
```
        char a[5];
```
```
    };
```
```
    void main()
```
```
    {
```

        struct student s[] = {"hi", "hey"};

```
        printf("%c", s[0].a[1]);
```
```
    }
```

a) h
b) i
c) e
d) y
Answer: b
Clarification: None.

2. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```
```
        char *a[3] = {"hello", "this"};
```
```
        printf("%s", a[1]);
```
```
    }
```

a) hello
b) Varies
c) this
d) Compile time error
Answer: c
Clarification: None.

3. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```

        int lookup[100] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};

```
        printf("%d", lookup[3]);
```
```
    }
```

a) 2
b) 4
c) Compile time error
d) 3
Answer: d
Clarification: None.

4. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```

        char *a[3][3] = {{"hey", "hi", "hello"}, {"his", "her", "hell"}

```
        , {"hellos", "hi's", "hmm"}};
```
```
        printf("%s", a[1][1]);
```
```
    }
```

a) her
b) hi
c) Compile time error
d) hi’s
Answer: a
Clarification: None.

5. What will be the output of the following C code?

```
    #include 
```
```
    struct p
```
```
    {
```
```
        char *name;
```
```
        struct p *next;
```
```
    };
```
```
    struct p *ptrary[10];
```
```
    int main()
```
```
    {
```
```
        struct p p;
```
```
        p->name = "xyz";
```
```
        p->next = NULL;
```
```
        ptrary[0] = &p;
```
```
        printf("%sn", p->name);
```
```
        return 0;
```
```
    }
```

a) Compile time error
b) Segmentation fault/code crash
c) xyz
d) Undefined behaviour
Answer: a
Clarification: None.

6. What will be the output of the following C code?

```
    #include 
```
```
    struct p
```
```
    {
```
```
        char *name;
```
```
        struct p *next;
```
```
    };
```
```
    struct p *ptrary[10];
```
```
    int main()
```
```
    {
```
```
        struct p p;
```
```
        p.name = "xyz";
```
```
        p.next = NULL;
```
```
        ptrary[0] = &p;
```
```
        printf("%sn", ptrary[0]->name);
```
```
        return 0;
```
```
    }
```

a) Compile time error
b) Segmentation fault
c) Undefined behaviour
d) xyz
Answer: d
Clarification: None.

7. What will be the output of the following C code?

```
    #include 
```
```
    struct p
```
```
    {
```
```
        char *name;
```
```
        struct p *next;
```
```
    };
```
```
    struct p *ptrary[10];
```
```
    int main()
```
```
    {
```
```
        struct p p, q;
```
```
        p.name = "xyz";
```
```
        p.next = NULL;
```
```
        ptrary[0] = &p;
```
```
        strcpy(q.name, p.name);
```
```
        ptrary[1] = &q;
```
```
        printf("%sn", ptrary[1]->name);
```
```
        return 0;
```
```
    }
```

a) Compile time error
b) Segmentation fault/code crash
c) Depends on the compiler
d) xyz
Answer: b
Clarification: None.

8. What will be the output of the following C code?

```
    #include 
```
```
    int main()
```
```
    {
```
```
        struct p
```
```
        {
```
```
            char *name;
```
```
            struct p *next;
```
```
        };
```
```
        struct p p, q;
```
```
        p.name = "xyz";
```
```
        p.next = NULL;
```
```
        ptrary[0] = &p;
```
```
        strcpy(q.name, p.name);
```
```
        ptrary[1] = &q;
```
```
        printf("%sn", ptrary[1]->name);
```
```
        return 0;
```
```
    }
```

a) Compile time error
b) Depends on the compiler
c) Undefined behaviour
d) xyz
Answer: c
Clarification: None.

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