Doodle

25 Questions | Total Attempts: 45

SettingsSettingsSettings
Doodle

.


Questions and Answers
  • 1. 
    What is the maximum length allowed for primary name of a computer file under DOS?
    • A. 

      8

    • B. 

      12

    • C. 

      4

    • D. 

      None of the above

  • 2. 
    Which of the following could be a valid DOS file specification?
    • A. 

      NOSFILE.POST

    • B. 

      NOSFILE.P.OST

    • C. 

      NOSFILE.DOC

    • D. 

      NOST.FILEDOC

  • 3. 
    How many characters form a secondary name for a file?
    • A. 

      8

    • B. 

      12

    • C. 

      4

    • D. 

      None of the above

  • 4. 
    In wildcard specification `?' is used as replacement for
    • A. 

      One character

    • B. 

      Two character

    • C. 

      Three character

    • D. 

      None of the above

  • 5. 
    DOS system file consists of
    • A. 

      IBMBIO.COM, IBMDOS.COM, COMMAND.COM

    • B. 

      COMMAND.COM, IBMBIO.COM, FORMAT.COM

    • C. 

      SYS.COM,IBMBIO.COM,IBMDOS.COM

    • D. 

      None of the above

  • 6. 
    The depth of a complete binary tree is given by
    • A. 

      Dn = n log2n

    • B. 

      Dn = n log2n+1

    • C. 

      Dn = log2n

    • D. 

      Dn = log2n+1

  • 7. 
     The post order traversal of a binary tree is DEBFCA. Find out the pre order traversal
    • A. 

      ABFCDE

    • B. 

      ADBFEC

    • C. 

      ABDECF

    • D. 

      ABDCEF

  • 8. 
    The in order traversal of tree will yield a sorted listing of elements of tree in Binary trees
    • A. 

      Same binary tree

    • B. 

      Binary search trees

    • C. 

      Heaps

    • D. 

      None of the above

  • 9. 
    In a Heap tree
    • A. 

      Values in a node is greater than every value in left sub tree and smaller than right sub tree

    • B. 

      Values in a node is greater than every value in children of it

    • C. 

      Both of above conditions applies

    • D. 

      None of above conditions applies

  • 10. 
    A protocol is a set of rules governing a time sequence of events that must take place
    • A. 

      Between peers

    • B. 

      Between an interface

    • C. 

      Between modems

    • D. 

      Across an interface

  • 11. 
    The relational database environment has all of the following components except users
    • A. 

      Separate files

    • B. 

      Database

    • C. 

      Query languages

    • D. 

      Data

  • 12. 
    Choose the RDBMS which supports full fledged client server application development
    • A. 

      DBase V

    • B. 

      Oracle 7.1

    • C. 

      FoxPro 2.1

    • D. 

      Ingress

  • 13. 
    Which of the following is not a relational database?
    • A. 

      DBase IV

    • B. 

      4th Dimension

    • C. 

      FoxPro

    • D. 

      Reflex

  • 14. 
    The problem statement includes the ____________, which lists specific input numbers a program would typically expect the user to enter and precise output values that a perfect program would return for those input values.
    • A. 

      Testing plan

    • B. 

      Error handler

    • C. 

      IPO cycle

    • D. 

      Input-output specification

  • 15. 
    Which of the following generations of language will likely include the languages of the featuer?
    • A. 

      Second generation

    • B. 

      Third generation

    • C. 

      Fourth generation

    • D. 

      Fifth generation

  • 16. 
    What is the minimum number of wires needed to send data over a serial communication link layer?
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      6

  • 17. 
    How much power (roughly) a light emitting diode can couple into an optical fiber?
    • A. 

      100 microwatts

    • B. 

      440 microwatts

    • C. 

      100 picowatts

    • D. 

      10 miliwatts

  • 18. 
    In a synchronous modem, the digital-to-analog converter transmits signal to the
    • A. 

      Equilizer

    • B. 

      Modulator

    • C. 

      Demodulator

    • D. 

      Terminal

  • 19. 
    Most modern software applications enable you to customize and automate various features using small custom-built “miniprograms” called
    • A. 

      Macros

    • B. 

      Code

    • C. 

      Routines

    • D. 

      Subroutines

  • 20. 
    How many steps are in the program development life cycle (PDLC)?
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

  • 21. 
    Translating the algorithm into a programming language occurs at the____________ step of the PDLC.
    • A. 

      Debugging

    • B. 

      Coding

    • C. 

      Testing and Documentation

    • D. 

      Algorithm Development

  • 22. 
    ____________ spend most of their time in the beginning stages of the SDLC, talking with end-users, gathering information, documenting systems, and proposing solutions.
    • A. 

      Systems analysts

    • B. 

      Project managers

    • C. 

      Network engineers

    • D. 

      Database administrators

  • 23. 
    Technical writers generally provide the ____________ for the new system.
    • A. 

      Programs

    • B. 

      Network

    • C. 

      Analysis

    • D. 

      Documentation

  • 24. 
    Round robin scheduling is essentially the preemptive version of
    • A. 

      FIFO

    • B. 

      SJF

    • C. 

      Round robin

    • D. 

      None of the above

  • 25. 
    Let S and Q be two semaphores initialized to 1, where P0 and P1 processes the following statements wait(S);wait(Q); ---; signal(S);signal(Q) and wait(Q); wait(S);---;signal(Q);signal(S); respectively. The above situation depicts a _________ .
    • A. 

      Semaphore

    • B. 

      Deadlock

    • C. 

      Signal

    • D. 

      Interrupt