Samsung Placement Paper -: Data Structures and Algorithms Questions With Answers

Samsung Previous Years Solved Sample Placement Papers

1. What is the advantage of ADSL (asymmetric digital subscriber line) over a modem?

   Ans: It has normal uplink bandwidth but higher downlink bandwidth.

2. Min sampling frequency for 20-20kHz analog signal is:

   A. 20kHz

   B. 40kHz Answer: Option B

   C. 44.1kHz

   D. 20Hz

3. Advantages of digital over analog signal:

   A. noise immunity

   B. data security and integrity

   C. efficient transmission

   D. all of the above Answer: Option D

4. Where Myprog is an exe file. What will be the output of the following program?

   
   main(argc, argv) {
     printf("%c", ++**argv);
   }
       

   A. m

   B. n

   C. none

   D. myprogram

5. In 1.5 fixed format, how is -1 represented?

   A. 0xFFFF Answer: Option A

   B. 0xF000

   C. 0x8000

   D. 0x0001

6. main() { i = 2; printf("i=%d i=%d", ++i, ++i); }

   Ans: varies compiler to compiler

7. main() { unsigned char i = 0x80; printf("i=%d", i << 1); }

   Ans: 256

8. main() { B = 0xFFFF; ~B; printf("%d", B); }

   Ans: 0xFFFF

9. Func(int a, int b) { int a; a = 10; return a; }

   Will there be any error and some other options are there.

   Ans: No error.

10. Determine network ID of classful IP address 192.42.14.1

    A. 192

    B. 192.42

    C. 192.42.14 Answer: Option C

    D. 192.42.14.1

11. If m people take d days to complete, then m + r people take how many days?

    Ans: m * d / (m + r)

12. Three questions were on Analogies. One was:

    12. Square:___ :: Quadreplet:couplet

    options were a) parallelogram b) triangle c) ___ d) ______

    Ans: do not remember

13. Gazzle:swift :: Earth

    options: a) life b) zoology

14. If DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, then THURSDAY will be written as:

    A. HTVSTYAD Answer: Option A

15. A is 10 km from B and C is 17 km from B. Then which option is true:

    A. A is in between B and C.

    B. B is in between A and C.

    C. C is in between A and B.

    D. a and b Answer: Option D

16. If the length of a rectangle increases by 20% and the breadth decreases by 20%, then the area:

    A. decreases by 4% Answer: Option A

    B. ----

    C. same

    D. none

17. If it costs x dollars for making a certain item if the quantity is 1000 and if the quantity increases, then the item is made using y dollars. If z number of items are made which are greater than 1000, then what is the total cost?

    Ans: 1000(x - y) + yz

18. If the distance between two trains is 110KMs and two trains travel in opposite directions. If one starts at 7 AM and the other at 8 AM and their velocities are 20 and 25 KMPH, then they meet at:

    Ans: 10 AM

19. A person is to go up a tree 60ft high. In every second, he climbs 5ft but slips 4ft. After how many seconds will he be able to touch the top of the tree?

    1) 60

    2) 59

    3) 56

    4) 58

20. enum day { saturday, sunday = 3, monday, tuesday };

    Value of saturday, tuesday.

21. enum day { saturday, sunday = -1, monday, tuesday };

    int x = monday; Value of x?