Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

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.
Discussion
2.

THE_FUNCTION_F(X)_=_X3_IS_BIJECTION_FROM_R_TO_R._IS_IT_TRUE_OR_FALSE??$

A. True
B. False
Answer» B. False
Discussion
3.

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
Discussion
4.

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
Discussion
5.

Which_command_can_be_used_for_single_step_execution_in_debugging_mode?$

A. dbstep
B. dbstepin
C. dbstatus
D. dbcont
Answer» B. dbstepin
Discussion
6.

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
Discussion
7.

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
Discussion
8.

I am ?

A. I am bI am a
B. Error
C. I am a Error
Answer» B. Error
Discussion
9.

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>
Discussion
10.

‚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
Discussion
11.

What does the AUTO_INCREMENT sequences begin at by default?

A. 0
B. 1
C. -1
D. 2
Answer» C. -1
Discussion
12.

__________ bytes are required to encode 2000 bits of data.

A. 1
B. 2
C. 3
D. 8
Answer» C. 3
Discussion
13.

Which of the following are valid function names?

A. function()
B. €()
C. .function()
D. $function()
Answer» D. $function()
Discussion
14.

There cannot be more than one column per table with the AUTO_INCREMENT attribute.

A. True
B. False
Answer» B. False
Discussion
15.

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
Discussion
16.

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
Discussion
17.

CGI.pm does not support an object oriented style of use.

A. True
B. False
Answer» C.
Discussion
18.

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
Discussion
19.

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.
Discussion
20.

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)
Discussion
21.

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
Discussion
22.

Call By Value

A. Call By Reference
B. Default Argument Value
C. Type Hinting
Answer» D.
Discussion
23.

The operator that compares sounds is _____________

A. MATCH SOUNDS
B. CHECK SOUNDS
C. SOUNDS LIKE
D. SOUNDS SIMILAR
Answer» D. SOUNDS SIMILAR
Discussion
24.

The value of ‚åä1/2.‚åä5/2‚åã ‚åã is ______________$

A. 1
B. 2
C. 3
D. 0.5
Answer» B. 2
Discussion
25.

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()
Discussion
26.

Which function returns NULL if expr1 = expr2?

A. CASE
B. IF()
C. IFNULL()
D. NULLIF()
Answer» E.
Discussion
27.

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
Discussion
28.

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
Discussion
29.

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
Discussion