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12th Standard English Medium Computer Applications Reduced Syllabus Creative One mark Question with Answer key - 2021(Public Exam)

12th Standard

    Reg.No. :
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Computer Applications

Time : 01:00:00 Hrs
Total Marks : 50

    Part A

    50 x 1 = 50
  1. Classifications of text are _________ and ____________.

    (a)

    Static and Hypertext

    (b)

    Static and Text

    (c)

    Hyper and Text

    (d)

    All of the above

  2. __________ is the process of conducting conference between more than two participants at different sites by using computer networks

    (a)

    Video conferencing

    (b)

    Web casting

    (c)

    Web hosting

    (d)

    AII of the above

  3. ___________ is a free, open source container format

    (a)

    WAV

    (b)

    RA

    (c)

    OGG

    (d)

    AIFF

  4. To select a word, press __________ with I - Beam.

    (a)

    Select click

    (b)

    right click

    (c)

    double click

    (d)

    triple click.

  5. The __________ key must not be press at the end of the each line in text block.

    (a)

    back space

    (b)

    enter

    (c)

    tab

    (d)

    arrow keys.

  6. ___________ is defined as the system's ability to recover all committed transactions during the failure of storage or the system

    (a)

    Durability

    (b)

    Consistency

    (c)

    Concurrency

    (d)

    All of the above

  7. A key With more than one attribute to identify rows uniquely in a table is called ___________

    (a)

    Candidate Key

    (b)

    Super Key

    (c)

    Foreign Key

    (d)

    Composite Key

  8. _____________ describes a unique characteristic of an entity

    (a)

    Key Attribute

    (b)

    Simple Attributes

    (c)

    Composite Attributes

    (d)

    Single Valued Attribute

  9. ____________ is most popular for Web Admimstration.

    (a)

    PHPMYADMI

    (b)

    MySQLWorkbench

    (c)

    HeidiSQL

    (d)

    All of the above

  10. In PHP, Variable namecan never start with a _________

    (a)

    alphabet

    (b)

    number

    (c)

    both a and b

    (d)

    either a or b

  11. PHP was invented in ___________

    (a)

    1992

    (b)

    1993

    (c)

    1994

    (d)

    1995

  12. PHP also creates ___________ Webpages in thereal time Webdevelopment projects.

    (a)

    Dynamic

    (b)

    interactive

    (c)

    both a and b

    (d)

    None of these

  13. Which of the following is an equal operator?

    (a)

    =

    (b)

    = =

    (c)

    = = =

    (d)

    ! = =

  14. __________ is a data type which has multiple values in single variable.

    (a)

    Integer numbers

    (b)

    Decimal point numbers

    (c)

    True or False state

    (d)

    Array

  15. Which of the following are correct ways of creating an array?
    i) state[0] = “Tamilnadu”;
    ii) \($\)state[] = array(“Tamilnadu”);
    iii) \($\)state[0] = “Tamilnadu”;
    iv) \($\)state = array(“Tamilnadu”);

    (a)

    iii) and iv)

    (b)

    ii) and iii)

    (c)

    Only i)

    (d)

    ii), iii) and iv)

  16. For finding nonempty elements in array we use

    (a)

    is_array ( ) function

    (b)

    sizeof ( ) function

    (c)

    array_count ( ) function

    (d)

    array_count ( ) function

  17. What functions count elements in an array?

    (a)

    count

    (b)

    Sizeof

    (c)

    Array_Coun

    (d)

    Count_array

     

  18. _________ is a concept that stores more than one value of same data type in single array variable.

    (a)

    Arrays

    (b)

    Segments

    (c)

    Functions

    (d)

    All of these

  19. Most complicated looping structure is

    (a)

    While

    (b)

    Do While

    (c)

    For

    (d)

    None of them

  20. Which of the following is an entry check loop?

    (a)

    foreach

    (b)

    for

    (c)

    while

    (d)

    do..while

  21. HTML classes that is already defined and allow us to apply styles on it are called as

    (a)

    Pseudo classes

    (b)

    Css classes

    (c)

    Javascript classes

    (d)

    None

  22. Main objective of PHP and HTML form controls are________.

    (a)

    To collect data from users.

    (b)

    To create data from users.

    (c)

    To delete data from users.

    (d)

    To manipulate data from users.

  23. _____ is a process of checking the input data submitted by the user from client _machine.

    (a)

    File

    (b)

    Form

    (c)

    Validation

    (d)

    All of these

  24. ________ is the best feature to select one file from the local machine to server machine

    (a)

    File upload

    (b)

    Files

    (c)

    Forms

    (d)

    All of these

  25. How Can we Create a Database Using PHP and MySQL?

    (a)

    mysqli_create_db(“Database Name”)

    (b)

    mysqli_create_db(“Data”)

    (c)

    create_db(“Database Name”)

    (d)

    create_db(“Data”)

  26. A) DB2 - 1)Open source
    B) SQL SERVER - 2)IBM
    C) MySQL - 3)Microsoft
    D) Oracle - 4)Oracle Corporation
    (a)

    2 3 1 4

    (b)

    4 3 2 1

    (c)

    2 3 4 1

    (d)

    2 4 3 1

  27. Memex conceived in the year________

    (a)

    1958

    (b)

    1945

    (c)

    1962

    (d)

    1972

  28. Initial name of host is known as_______

    (a)

    TCP/IP

    (b)

    switch

    (c)

    nodes

    (d)

    CYCLADES

  29. Network of network is called_________

    (a)

    Internet

    (b)

    Intranet

    (c)

    Exnet

    (d)

    Network

  30. Amazon - Social Media
    Blo - Online Shopping
    Gmail - Mobile Networks
    3G/4G - E-mail
    (a)

    1 2 3 4

    (b)

    2 3 4 1

    (c)

    2 1 4 3

    (d)

    3 1 2 4

  31. __________over mobile network is be made up of voice, data,images and text messages

    (a)

    Internet

    (b)

    Intranet

    (c)

    Extranet

    (d)

    Communication

  32. The RFID tag get power from the reader through the_________Method.

    (a)

    Direct

    (b)

    propagation

    (c)

    Inductive Coupling

    (d)

    Indirect

  33. First Layer - Data Link Layer
    Second Layer - Transport Layer
    Third Layer - Physical Layer
    Fourth Layer - Session Layer
    (a)

    1 2 3 4

    (b)

    3 4 1 2

    (c)

    4 3 1 2

    (d)

    4 1 3 2

  34. To enable the use of domain names in a network_______ is used.

    (a)

    HTML

    (b)

    URL

    (c)

    DNS

    (d)

    IP addresses

  35. The WHO is a service of_______

    (a)

    JANA

    (b)

    DNS

    (c)

    ICANN

    (d)

    None of these

  36. The la est version of USB has the data transfer rate ____________ Gbps.

    (a)

    4.85

    (b)

    2.35

    (c)

    3.5

    (d)

    7.5

  37. ______________ are mainly used in Wide Area Network (WAN).

    (a)

    optic cable

    (b)

    Network cable

    (c)

    fibre cable

    (d)

    none of these

  38. The ________________ are used to connect to the printer and other disk drivers.

    (a)

    parallel cables

    (b)

    Serial cable

    (c)

    coaxial

    (d)

    None of these

  39. A) RJ45 connector - 1) Crimping Tool
    B) Ethernet - 2) Small 8 jack inside
    C) Expansion card - 3) NIC
    D) RJ45 Cable - 4) Ethernet cable
    (a)

    1 2 3 4

    (b)

    2 3 1 4

    (c)

    4 3 2 1 

    (d)

    2 3 4 1

  40. Which of the following organization is not related to Open Source?

    (a)

    Apache Software Foundation

    (b)

    The Document Foundation

    (c)

    The Eclipse Foundation

    (d)

    Initiative Foundation

  41. _____________ and ____________ are used to create and run NS2.

    (a)

    OTCL and C++

    (b)

    OTCL and Java

    (c)

    C and C++

    (d)

    None of these

  42. In OpenNMS, Data are Gathering by using ______________.

    (a)

    SNMP

    (b)

    JMX

    (c)

    Both a and b

    (d)

    None of these

  43. ___________ is a platform for advertising products to targeted consumers.

    (a)

    Television

    (b)

    Radio

    (c)

    Mobile phones

    (d)

    social Media

  44. The First business to business transaction was established in the year _______________

    (a)

    1995

    (b)

    1981

    (c)

    1985

    (d)

    1987

  45. ________ is Indian domestic open loop card.

    (a)

    visa

    (b)

    Master

    (c)

    Rupay

    (d)

    Mastreo

  46. __________ allow users to make electronic transactions quickly and Securely.

    (a)

    E-banking

    (b)

    Net banking

    (c)

    E-wallets

    (d)

    None of these

  47. A digital certificte also known as________

    (a)

    Public key certificate

    (b)

    Asymmetric Key

    (c)

    Symmetric Key

    (d)

    All of the above

  48. The TDCC Is renamed as Electronic Data Interchange Association (EDIA) in________

    (a)

    1972

    (b)

    1978

    (c)

    1974

    (d)

    1975

  49. Every EDI message consist of __________upperca e EnglishAlphabets

    (a)

    two

    (b)

    four

    (c)

    six

    (d)

    eight

  50. In______ANSI ASC - develop d a wider range of EDI standard called ANSI X12.

    (a)

    1978

    (b)

    1979

    (c)

    1974

    (d)

    1975

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