Serendio - College Placement Test

20 Questions | Total Attempts: 32

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Placement Test Quizzes & Trivia

Approximate time: 30 minutes


Questions and Answers
  • 1. 
    Write a few sentences to explain a topic of your interest.
  • 2. 
    A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?
    • A. 

      4

    • B. 

      6

    • C. 

      8

    • D. 

      10

    • E. 

      12

  • 3. 
    If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors, how much memory do we need to store this?
    • A. 

      2 MB

    • B. 

      4 MB

    • C. 

      8 MB

    • D. 

      16 MB

    • E. 

      32 MB

  • 4. 
    20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution?
    • A. 

      24%

    • B. 

      30%

    • C. 

      32%

    • D. 

      36%

    • E. 

      40%

  • 5. 
    If x=y=2z and xyz=256, what is the value of x?
    • A. 

      2

    • B. 

      4

    • C. 

      8

    • D. 

      16

    • E. 

      32

  • 6. 
    In C what would be the value of result after the following snippetint result = 4 << 2;
    • A. 

      4

    • B. 

      8

    • C. 

      16

    • D. 

      64

    • E. 

      Compiler Error

  • 7. 
    X provides a concise and flexible means for matching strings oftext, such as particular characters, words, or patterns of characters. What is X?
    • A. 

      Regular expressions

    • B. 

      Grammer

    • C. 

      Parser

    • D. 

      Symbol Table

    • E. 

      Hash Maps

  • 8. 
    Int z,x=5,y=-10,a=4,b=2; z = x++ - --y * b / a;What number will z in the sample code above contain?
    • A. 

      5

    • B. 

      6

    • C. 

      10

    • D. 

      11

    • E. 

      12

  • 9. 
    Char* myFunc (char *ptr){ ptr += 3; return (ptr);} int main(){ char *x, *y; x = "HELLO"; y = myFunc (x);  printf ("y = %s \n", y); return 0;}
    • A. 

      HELLO

    • B. 

      ELLO

    • C. 

      LLO

    • D. 

      LO

    • E. 

      O

  • 10. 
    What is the return type of a constructor?
    • A. 

      Void

    • B. 

      Int

    • C. 

      Pointer

    • D. 

      No return type

    • E. 

      Same class as constructor

  • 11. 
    What is the mean and median of the following set of numbers?1,1,2,3,5,8,13
    • A. 

      Mean = 16.5, median = 3

    • B. 

      Mean = 3, median = 16.5

    • C. 

      Mean = 1, median = 13

    • D. 

      Mean = 13, median = 1

    • E. 

      Mean = 3, median = 5

  • 12. 
    Which of the following does not maintain the order of elements?
    • A. 

      Queue

    • B. 

      Stack

    • C. 

      Set

    • D. 

      Linked List

    • E. 

      Circular Queue

  • 13. 
    What kind of index will you use if you are designing a search engine?
    • A. 

      Dense Index

    • B. 

      Bitmap Index

    • C. 

      Sparse Index

    • D. 

      Inverted Index

    • E. 

      Unique index

  • 14. 
    Apple iPhone uses a powereful processor but underclocks it to lower speed. Why?
    • A. 

      Decreases cost

    • B. 

      The phone's OS cannot be run on higher speed processors.

    • C. 

      Improves battery life.

    • D. 

      Marketing tactic.

    • E. 

      GSM network defines the processor speed.

  • 15. 
    Why does the heatsink of a processor have large number of fins?
    • A. 

      Increases the weight of cooling system.

    • B. 

      Increases the surface area

    • C. 

      Increases the density of the metal

    • D. 

      Decreases the thermal conductivity of the system

    • E. 

      None of the above

  • 16. 
    If a computer has 4 bits on its address bus, how many locations can it address?
    • A. 

      4

    • B. 

      8

    • C. 

      16

    • D. 

      32

    • E. 

      64

  • 17. 
    What is the purpose of DNS ?
    • A. 

      It speeds up the network speed.

    • B. 

      It increases the number of machines.

    • C. 

      It maps MAC address to IP address.

    • D. 

      It maps computer name to IP address.

    • E. 

      It maps domain name to IP address.

  • 18. 
    What is the angle (in degrees) subtended by the clock hands when the time is 5:15 ?
    • A. 

      20

    • B. 

      40

    • C. 

      50

    • D. 

      60

    • E. 

      70

  • 19. 
    If 10 people were writing this interview, how many ways can 4 candidates be chosen?
    • A. 

      1020

    • B. 

      327

    • C. 

      210

    • D. 

      170

    • E. 

      80

  • 20. 
    What is the latest version of HTML specification that has been released by W3C?
    • A. 

      1

    • B. 

      1.1

    • C. 

      3

    • D. 

      4

    • E. 

      5

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