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12th Standard Computer Applications English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Five

12th Standard

    Reg.No. :
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Computer Applications

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. A _____ has more than one value for that particular attribute

    (a)

    Multi valued attribute

    (b)

    Simple Attributes

    (c)

    Composite Attributes

    (d)

    Single Valued Attribute

  2. What functions count elements in an array?

    (a)

    count

    (b)

    Sizeof

    (c)

    Array_Coun

    (d)

    Count_array

     

  3. What will be the output of the following PHP code ?
    < ?php
    \($\)x = 10;
    \($\)y = 20;
    if (\($\)x > \($\)y && 1||1)
    print “hi” ;
    else
    print “how are u”;
    ? >

    (a)

    how are u

    (b)

    hi

    (c)

    error

    (d)

    no output

  4. If you would like to read a file character by character which function do you use?

    (a)

    fopen ( )

    (b)

    fread ( )

    (c)

    fgetc ( )

    (d)

    file ( )

  5. which one is correct way, we can retrieve the data in the result set of MySQL using PHP?

    (a)

    mysql_fetch_row.

    (b)

    mysql_fetch_array

    (c)

    mysql_fetch_object

    (d)

    All the above

  6. In which one of the following periods, the speed capacity supported towards gigabit on computer network?

    (a)

    SABRE

    (b)

    SAGE

    (c)

    NEW FIBRE OPTICS

    (d)

    ARCNET

  7. _________ provides e-mail service

    (a)

    DNS

    (b)

    TCP

    (c)

    FTP

    (d)

    SMTP

  8. Assertion (A): The number of addresses used in IPv6 addressing method is 128.
    Reason (R): IPv6 address is a 128-bit unique address.

    (a)

    A is true and R is false.

    (b)

    A is false and R is true.

    (c)

    Both A and R are correct and R is the correct explanation of A.

    (d)

    Both A and R are correct and R is not the correct explanation of A.

  9. Fill in the blanks : NS2 comprises of ______key languages?

    (a)

    13

    (b)

    3

    (c)

    2

    (d)

    4

  10. Which of the following is not a characteristics of E-Commerce?

    (a)

    Products cannot be inspected physically before purchase.

    (b)

    Goods are delivered instantly.

    (c)

    Resource focus supply side

    (d)

    Scope of business is global

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TN 12th Standard Computer Applications free Online practice tests

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