MCQOPTIONS
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MCQOPTIONS
This section includes 79 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
THE_G_-1({0})_FOR_THE_FUNCTION_G(X)=_‚ÄÖ√Ñ√∂‚ÀւĢ‚ÀÖ¬ßX‚ÄÖ√Ñ√∂‚ÀւĢ‚ÀÖ¬£_IS____________?$# |
| A. | {x | 0 ≤ x < 1} |
| B. | {x | 0 < x ≤ 1} |
| C. | {x | 0 < x < 1} |
| D. | {x | 0 ≤ x ≤ 1} |
| Answer» E. | |
| 52. |
THE_FUNCTION_F(X)_=_X3_IS_BIJECTION_FROM_R_TO_R._IS_IT_TRUE_OR_FALSE??$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 53. |
How do we access a global variable in nested functions?$ |
| A. | Simply seek the variable from the primary function |
| B. | Make a copy of the global variables from the primary function |
| C. | Declare the variable within the function |
| D. | Declare the variable as global |
| Answer» D. Declare the variable as global | |
| 54. |
The join in which all the rows from the right table appear in the output irrespective of the content of the other table is ______________$ |
| A. | CARTESIAN JOIN |
| B. | CROSS JOIN |
| C. | INNER JOIN |
| D. | RIGHT JOIN |
| Answer» D. RIGHT JOIN | |
| 55. |
Which_command_can_be_used_for_single_step_execution_in_debugging_mode?$ |
| A. | dbstep |
| B. | dbstepin |
| C. | dbstatus |
| D. | dbcont |
| Answer» B. dbstepin | |
| 56. |
Which line is treated as H1 line? |
| A. | Comment line succeeding function definition |
| B. | Comment line preceding function definition |
| C. | Comment line after function |
| D. | All lines before and after function definition |
| Answer» B. Comment line preceding function definition | |
| 57. |
How_does_MATLAB_help_in_passing_function_arguments? |
| A. | By call by value and call by reference |
| B. | Only by call by value |
| C. | Only by call by reference |
| D. | By call by address |
| Answer» C. Only by call by reference | |
| 58. |
I am ? |
| A. | I am bI am a |
| B. | Error |
| C. | I am a Error |
| Answer» B. Error | |
| 59. |
The inverse of function f(x) = x3 + 2 is ___________? |
| A. | f<sup> -1 </sup>(y) = (y – 2)<sup> 1/2 </sup> |
| B. | f<sup> -1 </sup>(y) = (y – 2)<sup> 1/3 </sup> |
| C. | f<sup> -1 </sup>(y) = (y)<sup> 1/3 </sup> |
| D. | f<sup> -1 </sup>(y) = (y – 2) |
| Answer» C. f<sup> -1 </sup>(y) = (y)<sup> 1/3 </sup> | |
| 60. |
‚Äö√Ñ√∂‚àö√ë‚àö‚à´function‚Äö√Ñ√∂‚àö√ë‚àöœ?# |
| A. | “class” |
| B. | “procedure” |
| C. | All of the mentioned |
| Answer» C. All of the mentioned | |
| 61. |
What does the AUTO_INCREMENT sequences begin at by default? |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | 2 |
| Answer» C. -1 | |
| 62. |
__________ bytes are required to encode 2000 bits of data. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 8 |
| Answer» C. 3 | |
| 63. |
Which of the following are valid function names? |
| A. | function() |
| B. | €() |
| C. | .function() |
| D. | $function() |
| Answer» D. $function() | |
| 64. |
There cannot be more than one column per table with the AUTO_INCREMENT attribute. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 65. |
What are persistent variables? |
| A. | Variables which retain values between calls to the function |
| B. | Variables which help in calling a function |
| C. | Variables which deal with functions |
| D. | Variables global to the function |
| Answer» C. Variables which deal with functions | |
| 66. |
Let f and g be the function from the set of integers to itself, defined by f(x) = 2x + 1 and g(x) = 3x + 4. Then the composition of f and g is ____________ |
| A. | 6x + 9 |
| B. | 6x + 7 |
| C. | 6x + 6 |
| D. | 6x + 8 |
| Answer» B. 6x + 7 | |
| 67. |
CGI.pm does not support an object oriented style of use. |
| A. | True |
| B. | False |
| Answer» C. | |
| 68. |
If the program demands evaluation of multiple, only decimal, values of the same function, what is the better way amongst the following? |
| A. | Using anonymous functions or inline functions |
| B. | Using str2func |
| C. | Using private functions |
| D. | Using any function |
| Answer» B. Using str2func | |
| 69. |
The domain of the function that assign to each pair of integers the maximum of these two integers is ___________ |
| A. | N |
| B. | Z |
| C. | Z <sup>+ </sup> |
| D. | Z<sup>+ </sup> X Z<sup>+ </sup> |
| Answer» E. | |
| 70. |
sin(45)+cos(45)+tan(45) |
| A. | sin(pi/4)+cos(pi/4)+tan(pi/4) |
| B. | sin(45®)+cos(45®)+sin(45®) |
| C. | sind(45)+cosd(45)+tand(45) |
| Answer» C. sind(45)+cosd(45)+tand(45) | |
| 71. |
Which of the following function f: Z X Z ‚Üí Z is not onto?$ |
| A. | f(a, b) = a + b |
| B. | f(a, b) = a |
| C. | f(a, b) = |b| |
| D. | f(a, b) = a – b |
| Answer» D. f(a, b) = a ‚Äö√Ñ√∂‚àö√ë‚àö¬® b | |
| 72. |
Call By Value |
| A. | Call By Reference |
| B. | Default Argument Value |
| C. | Type Hinting |
| Answer» D. | |
| 73. |
The operator that compares sounds is _____________ |
| A. | MATCH SOUNDS |
| B. | CHECK SOUNDS |
| C. | SOUNDS LIKE |
| D. | SOUNDS SIMILAR |
| Answer» D. SOUNDS SIMILAR | |
| 74. |
The value of ‚åä1/2.‚åä5/2‚åã ‚åã is ______________$ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0.5 |
| Answer» B. 2 | |
| 75. |
Functions are defined using the _________ directive and are stored as R objects |
| A. | function() |
| B. | funct() |
| C. | functions() |
| D. | all of the mentioned |
| Answer» B. funct() | |
| 76. |
Which function returns NULL if expr1 = expr2? |
| A. | CASE |
| B. | IF() |
| C. | IFNULL() |
| D. | NULLIF() |
| Answer» E. | |
| 77. |
Predominantly, what are the two kinds of errors in MATLAB programs? |
| A. | Syntax and runtime |
| B. | Syntax and logic |
| C. | Logic and runtime |
| D. | Syntax and algorithmic |
| Answer» B. Syntax and logic | |
| 78. |
The function f(x)=x+1 from the set of integers to itself is onto. Is it True or False? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 79. |
Type Hinting was introduced in which version of PHP? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.3 |
| D. | PHP 6 |
| Answer» C. PHP 5.3 | |