New ! Computer Applications MCQ Practise Tests

Sample 1 Mark Book Back Questions (New Syllabus) 2020

12th Standard

    Reg.No. :
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Computer Applications

Time : 00:25:00 Hrs
Total Marks : 26

    Part A

    26 x 1 = 26
  1. expand JPEG

    (a)

    joint photo experts gross

    (b)

    joint photographic experts group

    (c)

    joint processor experts group

    (d)

    joint photographic expression group

  2. Which menu contains the New option?

    (a)

    File menu

    (b)

    Edit menu

    (c)

    Layout menu

    (d)

    Type menu

  3. Which tool lets you edit text?

    (a)

    Text tool

    (b)

    Type tool

    (c)

    Crop tool

    (d)

    Hand tool

  4. Which is the MySQL instance responsible for data processing?

    (a)

    MySQL Client

    (b)

    MySQL Server

    (c)

    SQL

    (d)

    Server Daemon Program

  5. We can use _________ to comment a single line?
    i) /?
    ii) //
    iii) #
    iv)  /* */

    (a)

    Only (ii)

    (b)

    (i), (iii) and (iv)

    (c)

    (ii), (iii) and (iv)

    (d)

    Both (ii) and (iii)

  6. Which of the below symbols is a newline character?

    (a)

    \r

    (b)

    \n

    (c)

    /n

    (d)

    /r

  7. PHP’s numerically indexed array begin with position ___________

    (a)

    1

    (b)

    2

    (c)

    0

    (d)

    -1

  8. What functions count elements in an array?

    (a)

    count

    (b)

    Sizeof

    (c)

    Array_Coun

    (d)

    Count_array

     

  9. What will be the output of the following PHP code ?
    < ?php
    \($\) a = “”;
    if (\($\)a)
    print “all”;
    if
    else
    print “some”;
    ? >

    (a)

    all

    (b)

    some

    (c)

    error

    (d)

    no output

  10. Which loop evaluates condition expression as Boolean, if it is true, it executes statements and when it is false it will terminate?

    (a)

    For loop

    (b)

    For each loop

    (c)

    While loop

    (d)

    All of them

  11. PHP supports which types of looping techniques;

    (a)

    for loop

    (b)

    while loop

    (c)

    foreach loop

    (d)

    all the above

  12. What will be the output of the
    following PHP code ?
    < ?php
    for (\($\)x = -1; \($\)x < 10;--\($\)x)
    {
    print \($\)x;
    }
    ? >

    (a)

    123456713910412

    (b)

    123456713910

    (c)

    1234567139104

    (d)

    Infinite loop

  13. What does fopen() function do in PHP?

    (a)

    It used to open files in PHP

    (b)

    It used to open Remote Server

    (c)

    It used to open folders in PHP

    (d)

    It used to open Remote Computer

  14. Which is the correct function to establish Connection in PHP ?

    (a)

    mysqli_connect(“Server Name “,”User Name”,”Password”,”DB Name”);

    (b)

    connect(“Server Name “,”User Name”,”Password”,”DB Name”);

    (c)

    mysql_connect(“Server Name “,”User Name”,”Password”,”DB Name”);

    (d)

    mysqli_connect (“Database Object”);

  15. Wi-Fi is short name for

    (a)

    Wireless Fidelity

    (b)

    Wired fidelity

    (c)

    Wired fiber optic

    (d)

    Wireless fiber optic

  16. Facebook was created at ____________ year

    (a)

    2002

    (b)

    2004

    (c)

    2013

    (d)

    2010

  17. Wi-Fi stands for ___________

    (a)

    Wireless Fidelity

    (b)

    wired fidelity

    (c)

    wired optic fibre

    (d)

    wireless optic fibre

  18. How many bits are used in the IPv6 addresses?

    (a)

    32

    (b)

    64

    (c)

    128

    (d)

    16

  19. 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.

  20. Which of the following is a small peripheral device with a sim slot to connect the computers to Internet?

    (a)

    USB

    (b)

    Dongles

    (c)

    Memory card

    (d)

    Mobiles

  21. Choose the Correct Pair from the following to build NS2

    (a)

    UNIX & TCL

    (b)

    UNIX & a. C++

    (c)

    C++ & OTcl

    (d)

    C++ & NS2

  22. Assertion (A): The websites of first wave dotcom companies were only in English
    Reason (R): The dotcom companies of first wave are mostly American companies.

    (a)

    Both (A) and (R) are correct and (R) is the correct explanation of (A)

    (b)

    Both (A) and (R) are correct, but (R) is not the correct explanation of (A)

    (c)

    (A) is true and (R) is false

    (d)

    (A) is false and (R) is true

  23. Which of the following is a online payment system for small payments.

    (a)

    Card based payment

    (b)

    Micro electronic payment

    (c)

    Macro electronic payment

    (d)

    Credit card payment

  24. Which of the following is not a security element involved in E-Commerce?

    (a)

    Authenticity

    (b)

    Confidentiality

    (c)

    Fishing

    (d)

    Privacy

  25. __________ protocol is used for securing credit cards transactions via the Internet

    (a)

    Secure Electronic Transaction (SET)

    (b)

    Credit Card Verification

    (c)

    Symmetric Key Encryption

    (d)

    Public Key Encryption

  26. EDI interchanges starts with _________ and ends with _________

    (a)

    UNA, UNZ

    (b)

    UNB, UNZ

    (c)

    UNA, UNT

    (d)

    UNB, UNT

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