Samsung Technical-C questions with answers

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Samsung C intervew questions Samusung Technical written test questions
1. When compiler accepts the request to use the variable as a register?
a) It is stored in CPU
b) It is stored in cache memory
c) It is stored in main memory
d) It is stored in secondary memory
Answer:a

2. Which data type can be stored in register?
a) int
b) long
c) float
d) All of the mentioned
 Answer:d

3. Which of the following operation is not possible in a register variable?
a) Reading the value into a register variable
b) Copy the value from a memory variable
c) Global declaration of register variable
d) All of the mentioned
Answer:d

4. Which among the following is the correct syntax to declare a static variable register?
a) static register a;
b) register static a;
c) Both (a) and (b)
d) We cannot use static and register together.
Answer:d

5. Register variables reside in
a) stack
b) registers
c) heap
d) main memory
Answer:b

6. What is the output of this C code?

        #include <stdio.h>

        void main()

        {

            register int x = 0;

            if (x < 2)

            {

                x++;

                main();

            }

        }

a) Segmentation fault
b) main is called twice
c) main is called once
d) main is called thrice
Answer:a

7. What is the output of this C code?

        #include <stdio.h>

        void main()

        {

            register int x;

            printf("%d", x);

        }

a) 0
b) Junk value
c) Compile time error
d) Noting
Answer:b

8. What is the output of this C code?

        #include <stdio.h>

        register int x;

        void main()

        {

            printf("%d", x);

        }

a) varies
b) 0
c) Junk value
d) Compile time error
View Answer
Answer:d