Practice Programming Questions Multiple Choice Questions with Answers Quiz-1

Q.1.

In HTML, ___________ tag is used to construct drop-down list boxes and scrolling list boxes.

</li> <li class="list-group-item d-flex" id="choice_736540"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> <INPUT> </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader18928"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.2. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p><span data-sheets-value='{"1":2,"2":"two main measures for the efficiency of an algorithm are"}' data-sheets-userformat='{"2":15235,"3":{"1":0},"4":[null,2,16711680],"10":2,"11":0,"12":0,"14":[null,2,0],"15":"Calibri, sans-serif","16":11}'>Two main measures for the efficiency of an algorithm are</span></p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736545"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> Time and Space </li> <li class="list-group-item d-flex" id="choice_736546"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Complexity and Memory </li> <li class="list-group-item d-flex" id="choice_736547"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Data and Space </li> <li class="list-group-item d-flex" id="choice_736548"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Memory and Processor </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>Two main measures for the efficiency of an algorithm are Time and Space.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.3. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>What value does read() return when it has reached the end of a file?</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736549"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 1 </li> <li class="list-group-item d-flex" id="choice_736550"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> -1 </li> <li class="list-group-item d-flex" id="choice_736551"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 0 </li> <li class="list-group-item d-flex" id="choice_736552"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> None </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>It returns -1</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.4. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p><span data-sheets-value='{"1":2,"2":"all variables in php start with which symbol"}' data-sheets-userformat='{"2":4929,"3":{"1":0},"9":0,"11":3,"12":0,"15":"Calibri"}'>All variables in PHP start with which symbol?</span></p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736557"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> % </li> <li class="list-group-item d-flex" id="choice_736558"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> ! </li> <li class="list-group-item d-flex" id="choice_736559"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> $ </li> <li class="list-group-item d-flex" id="choice_736560"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> & </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader39675"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.5. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>SNOBOL is mainly used for</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736561"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Text Operation </li> <li class="list-group-item d-flex" id="choice_736562"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> String operations </li> <li class="list-group-item d-flex" id="choice_736563"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> List operations </li> <li class="list-group-item d-flex" id="choice_736564"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Numerical operations </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p><strong>SNOBOL</strong> is a high-level computer programming language used especially in manipulating textual data. It is mainly used for string operations and was developed between 1962 and 1967.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.6. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>A function cannot be defined inside another function</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736565"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> TRUE </li> <li class="list-group-item d-flex" id="choice_736566"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> FALSE </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>A function cannot be defined inside the another function, but a function can be called inside a another function.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.7. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>What is math.floor(3.6)?</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736567"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 6 </li> <li class="list-group-item d-flex" id="choice_736568"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> 3 </li> <li class="list-group-item d-flex" id="choice_736569"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 3.5 </li> <li class="list-group-item d-flex" id="choice_736570"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 0.6 </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>The Math.floor() function in JavaScript is used to round off the number passed as parameter to its nearest integer in Downward direction of rounding i.g towards the lesser value.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.8. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>We want to round off x, a <strong><em>Float</em></strong> to an <strong><em>Int</em></strong> value. The correct way to do so would be</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736571"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> Y = ( int ) ( x + 0.5 ) ; </li> <li class="list-group-item d-flex" id="choice_736572"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Y = int ( x + 0.5) ; </li> <li class="list-group-item d-flex" id="choice_736573"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Y = ( int ) x + 0.5; </li> <li class="list-group-item d-flex" id="choice_736574"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Y = ( int ) ( ( int ) x + 0.5 ) </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>Rounding off a value means replacing it by a nearest value that is approximately equal or smaller or greater to the given number.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.9. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>In programming, repeating some statements is usually called ?</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736575"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Running </li> <li class="list-group-item d-flex" id="choice_736576"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Structure </li> <li class="list-group-item d-flex" id="choice_736577"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> Looping </li> <li class="list-group-item d-flex" id="choice_736578"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Control structure </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader12519"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.10. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>Methods declared as what cannot be overriden?</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736579"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Transcient </li> <li class="list-group-item d-flex" id="choice_736580"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Abstract </li> <li class="list-group-item d-flex" id="choice_736581"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> Final </li> <li class="list-group-item d-flex" id="choice_736582"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Super </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>Once a method declared as Final cannot be overriden</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.11. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>The output of the code below is</p> <p> #include <stdio.h><br> void main()<br> {<br> int i = 0, k;<br> if ( i == 0 )<br> goto label;<br> for ( k = 0;k < 3; k++ )<br> {<br> printf( "hin" );<br> label: k = printf( "%03d", i );<br> }<br> }</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736583"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> 0 </li> <li class="list-group-item d-flex" id="choice_736584"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> hi hi hi 0 0 0 </li> <li class="list-group-item d-flex" id="choice_736585"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 0 hi hi hi 0 0 0 </li> <li class="list-group-item d-flex" id="choice_736586"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 0 0 0 </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader6047"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.12. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p><strong>What will be output of following program ?</strong></p> <p>#include<br>int main()</p> <p>{</p> <p>int a = 10;<br>void *p = &a;<br>int *ptr = p;<br>printf("%u",*ptr);<br>return 0;</p> <p>}</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736587"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> 10 </li> <li class="list-group-item d-flex" id="choice_736588"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Address </li> <li class="list-group-item d-flex" id="choice_736589"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 2 </li> <li class="list-group-item d-flex" id="choice_736590"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Compilation error </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>Void pointer can hold address of any data type without type casting. Any pointer can hold void pointer without type casting.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.13. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>What will output when you compile and run the following code?<br><br>#include <stdio.h><br>struct student<br>{</p> <p>int roll;<br>int cgpa;<br>int sgpa[8];</p> <p>};</p> <p>void main()<br>{</p> <p>struct student s = { 12,8,7,2,5,9 };<br>int *ptr;<br>ptr = (int *)&s;<br>clrscr();<br>printf( "%d", *(ptr+3) );<br>getch();</p> <p>}</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736591"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 8 </li> <li class="list-group-item d-flex" id="choice_736592"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 7 </li> <li class="list-group-item d-flex" id="choice_736593"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> 2 </li> <li class="list-group-item d-flex" id="choice_736594"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Compiler error </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader6063"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.14. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>What will be output when you will execute following c code?<br><br>#include <stdio.h><br>void main()</p> <p>{<br> switch(2)</p> <p> {<br> case 1L:printf("No");<br> case 2L:printf("%s","I");<br> goto Love;<br> case 3L:printf("Please");<br> case 4L:Love:printf("Hi");<br> } <br>}</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736595"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> I </li> <li class="list-group-item d-flex" id="choice_736596"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> IPleaseHi </li> <li class="list-group-item d-flex" id="choice_736597"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> IHi </li> <li class="list-group-item d-flex" id="choice_736598"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Compilation error </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>It is possible to write label of goto statement in the case of switch case statement.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.15. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p><strong>What would be the output of the following program ?</strong></p> <p>main()</p> <p>{</p> <p> const int x = 5; </p> <p> int *ptrx;</p> <p> ptrx = &x;</p> <p> *ptr = 10;</p> <p> printf ("%d", x);</p> <p>}</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736599"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 5 </li> <li class="list-group-item d-flex" id="choice_736600"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> 10 </li> <li class="list-group-item d-flex" id="choice_736601"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Error </li> <li class="list-group-item d-flex" id="choice_736602"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Garbage value </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader9231"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.16. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>What will be output of following program?<br><br><br>#include <stdio.h><br>int main()</p> <p>{<br> void (*p)();<br> int (*q)();<br> int (*r)();<br> p = clrscr;<br> q = getch;<br> r = puts;<br> (*p)();<br> (*r)("www.sawaal.com");<br> (*q)();<br> return 0;<br>}</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736603"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> NULL </li> <li class="list-group-item d-flex" id="choice_736604"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> www.sawaal.com </li> <li class="list-group-item d-flex" id="choice_736605"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Compilation error </li> <li class="list-group-item d-flex" id="choice_736606"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> None of above </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>p is pointer to function whose parameter is void and return type is also void. r and q is pointer to function whose parameter is void and return type is int . So they can hold the address of such function.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.17. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>What is the output of this C code?</p> <p> #include <stdio.h><br> void main()<br> {<br> int x = 97;<br> char y = x;<br> printf("%cn", y);<br> }</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736607"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> a </li> <li class="list-group-item d-flex" id="choice_736608"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 97 </li> <li class="list-group-item d-flex" id="choice_736609"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Run time error </li> <li class="list-group-item d-flex" id="choice_736610"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> None </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p id="reportloader6044"></p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.18. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>If the following program (myprog) is run from the command line as </p> <p>myprog 1 2 3 </p> <p>what would be the output?</p> <p>main(int argc, char *argv[])</p> <p>{</p> <p> int i, j = 0;</p> <p> for (i = 0; i < argc ; i++)</p> <p> j = j + atoi ( argv[i]);</p> <p> printf ("%d", j);</p> <p>}</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736611"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> 123 </li> <li class="list-group-item d-flex" id="choice_736612"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> 6 </li> <li class="list-group-item d-flex" id="choice_736613"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> Error </li> <li class="list-group-item d-flex" id="choice_736614"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> "123" </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>When atoi() tries to convert argv[0] to a number it cannot do so (argv[0] being a file name) and hence returns a zero.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.19. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>Which of the following is true?</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736615"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> It is appropriate to use assertions to validate arguments to methods marked public </li> <li class="list-group-item d-flex" id="choice_736616"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> It is appropriate to catch and handle assertion errors </li> <li class="list-group-item d-flex" id="choice_736617"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> It is NOT appropriate to use assertions to validate command-line arguments </li> <li class="list-group-item d-flex" id="choice_736618"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> None </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>A is incorrect. It is acceptable to use assertions to test the arguments of private methods.</p> </div> </div> </div> <div class="card mb-3"> <div class="card-header bg-transparent"> <div class="row g-0"> <div class="col-md-1 pr-0 pl-2 text-md-center" style="font-size: large;color: gray;max-width: 60px;"> Q.20. </div> <div class="col-md-11 mt-auto mb-auto pl-2"> <div class="question_and_options_space5"> <p class="override_p"> </p><p>public abstract interface Frobnicate { public void twiddle(String s); } </p> <p>Which is a correct class?</p> </div> </div> </div> </div> <ul class="list-group list-group-flush"> <li class="list-group-item d-flex" id="choice_736619"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> public abstract class Frob implements Frobnicate { public abstract void twiddle(String s) { } } </li> <li class="list-group-item d-flex" id="choice_736620"> <i class="fas fa-check-circle pr-2" style="font-size: x-large;color: green;"></i> public abstract class Frob implements Frobnicate { } </li> <li class="list-group-item d-flex" id="choice_736621"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> public class Frob extends Frobnicate { public void twiddle(Integer i) { } } </li> <li class="list-group-item d-flex" id="choice_736622"> <i class="fas fa-times-circle pr-2" style="font-size: x-large;color: red;"></i> public class Frob implements Frobnicate { public void twiddle(Integer i) { } } </li> </ul> <div class="card-footer"> <p class="p-0 m-0" style="cursor: pointer;" onclick="$(this).hide();$(this).next().show();">Explanation <i class="fas fa-angle-down"></i></p> <div id="questionExplanation" style="display: none;"> <p>B is correct, an abstract class need not implement any or all of an interface’s methods</p> </div> </div> </div> </div> <br>  <footer class="text-center text-lg-start text-white" style="background-color: #1a237e;">  <section class="d-flex justify-content-center justify-content-lg-between p-4"> <div class="me-5 d-none d-lg-block"><span>Get connected with us on social networks</span></div> <div> <a target="_blank" href="https://www.facebook.com/mcqgeeks/" class="me-4 text-reset text-decoration-none"> <i class="fab fa-facebook-f"></i> </a> <a target="_blank" href="https://twitter.com/mcqgeeks" class="me-4 text-reset text-decoration-none"> <i class="fab fa-twitter"></i> </a> <a target="_blank" href="https://in.pinterest.com/mcqgeeks" class="me-4 text-reset text-decoration-none"> <i class="fab fa-pinterest"></i> </a> <a target="_blank" href="https://www.instagram.com/mcqgeeks/" class="me-4 text-reset text-decoration-none"> <i class="fab fa-instagram"></i> </a> <a target="_blank" href="https://www.linkedin.com/in/mcqgeeks/" class="me-4 text-reset text-decoration-none"> <i class="fab fa-linkedin"></i> </a> <a target="_blank" href="https://mcqgeeks.tumblr.com/" class="me-4 text-reset text-decoration-none"> <i class="fab fa-tumblr-square"></i> </a> <a target="_blank" href="https://www.youtube.com/channel/UCWgHDwh3YvnuCzfvQuWHOig" class="me-4 text-reset text-decoration-none"> <i class="fab fa-youtube"></i> </a> </div> </section>  <section class="links"> <div class="container text-center text-md-start mt-2"> <div class="row mt-3 justify-content-center"> <div class="col-auto"> <h6 class="mb-4"><a class="text-white" href="/about-us/">About Us</a></h6> </div>  <div class="col-auto"> <h6 class="mb-4"><a class="text-white" href="/contact-us/">Contact Us</a></h6> </div>  <div class="col-auto"> <h6 class="mb-4"><a class="text-white" href="/privacy-policy/">Privacy Policy</a></h6> </div>  <div class="col-auto"> <h6 class="mb-4"><a class="text-white" href="/disclaimer/">Disclaimer</a></h6> </div>  <div class="col-auto"> <h6 class="mb-4"><a class="text-white" href="/write-for-us/">Write For Us</a></h6> </div> </div> </div> </section>   <div class="text-center p-3" style="background-color: rgba(0, 0, 0, 0.2);"> © 2025 Copyright: <a class="text-white" href="https://mcqgeeks.com/">MCQGeeks.com</a> </div>  </footer>    <script src="https://code.jquery.com/jquery-3.3.1.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.8.2/chart.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML"></script> <script> MathJax.Hub.Config({ tex2jax: { inlineMath: [['$', '$'], ['\$', '\$']] }, "HTML-CSS": { linebreaks: { automatic: true }, styles: { ".MathJax_Display": { "display": "inline" } } } }); 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