{"id":168,"date":"2020-04-03T09:25:12","date_gmt":"2020-04-03T09:25:12","guid":{"rendered":"https:\/\/temp.ashkerala.com\/?p=168"},"modified":"2020-04-03T09:25:12","modified_gmt":"2020-04-03T09:25:12","slug":"c-mcq-11","status":"publish","type":"post","link":"https:\/\/temp.ashkerala.com\/?p=168","title":{"rendered":"C++ MCQ-11"},"content":{"rendered":"

Q.31\u00a0 Use of virtual functions implies<\/strong>
(A)\u00a0 overloading.\u00a0 (B)\u00a0 overriding.
(C)\u00a0 static binding.\u00a0 (D)\u00a0 dynamic binding.
Ans: D
\u00a0
Q.32\u00a0\u00a0 this pointer\u00a0\u00a0<\/strong>\u00a0 \u00a0
(A)\u00a0 implicitly points to an object.\u00a0 \u00a0
(B)\u00a0 can be explicitly used in a class.
(C)\u00a0 can be used to return an object. \u00a0
(D)\u00a0 All of the above.
\u00a0
\u00a0Ans: D
\u00a0
Q.33\u00a0\u00a0 Within a switch statement<\/strong>
\u00a0\u00a0\u00a0 (A) Continue can be used but Break cannot be used \u00a0
\u00a0\u00a0\u00a0 (B) Continue cannot be used but Break can be used
\u00a0\u00a0\u00a0 (C) Both Continue and Break can be used\u00a0 \u00a0
\u00a0\u00a0\u00a0 (D) Neither Continue nor Break can be used
\u00a0
\u00a0 Ans:B
\u00a0
Q.34\u00a0\u00a0 Data members which are static<\/strong>
\u00a0\u00a0\u00a0 (A) cannot be assigned a value
\u00a0\u00a0\u00a0 (B) can only be used in static functions
\u00a0\u00a0\u00a0 (C) cannot be defined in a Union \u00a0
\u00a0\u00a0\u00a0 (D) can be accessed outside the class
\u00a0\u00a0 \u00a0
\u00a0 Ans:B
\u00a0
Q.35\u00a0\u00a0 Which of the following is false for cin?\u00a0\u00a0<\/strong> \u00a0
(A)\u00a0 It represents standard input. \u00a0
(B)\u00a0 It is an object of istream class.
(C)\u00a0 It is a class of which stream is an object. \u00a0
(D)\u00a0 Using cin the data can be read from user\u0393\u00c7\u00d6s terminal.
\u00a0
\u00a0 Ans:C
\u00a0
Q.36\u00a0 It is possible to declare as a friend\u00a0<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0
(A)\u00a0\u00a0 a member function\u00a0 (B)\u00a0 a global function
(C)\u00a0\u00a0 a class\u00a0 (D)\u00a0 all of the above
\u00a0\u00a0\u00a0 \u00a0
\u00a0 Ans:D
\u00a0
Q.37\u00a0 In multiple inheritance \u00a0<\/strong>
(A)\u00a0 the base classes must have only default constructors\u00a0 \u00a0
(B)\u00a0 cannot have virtual functions
(C)\u00a0 can include virtual classes\u00a0 \u00a0
(D)\u00a0 None of the above.
\u00a0
\u00a0 Ans:C<\/strong><\/p>\n

Q.38 Declaration of a pointer reserves memory spac<\/strong>e \u00a0
(A)\u00a0 for the object.
(B)\u00a0 for the pointer.
(C)\u00a0 both for the object and the pointer.
(D)\u00a0 none of these.
\u00a0
\u00a0\u00a0 Ans:B
\u00a0
Q.39\u00a0 for (; \ud83d\ude09<\/strong>
(A)\u00a0 means the test which is done using some expression is always true\u00a0 \u00a0
(B)\u00a0 is not valid
(C)\u00a0 will loop forever \u00a0
(D)\u00a0 should be written as for( )
\u00a0
\u00a0 Ans:C
\u00a0
Q.40\u00a0\u00a0 The operator << when overloaded in a class<\/strong>
(A)\u00a0 must be a member function\u00a0 (B)\u00a0 must be a non member function \u00a0
(C)\u00a0 can be both (A) & (B) above\u00a0 (D)\u00a0 cannot be overloaded
\u00a0
\u00a0 Ans:C
\u00a0
Q.41\u00a0 A virtual class is the same as\u00a0\u00a0\u00a0<\/strong> \u00a0
(A)\u00a0 an abstract class\u00a0 (B)\u00a0 a class with a virtual function
(C)\u00a0 a base class\u00a0 (D)\u00a0 none of the above.
\u00a0
\u00a0 Ans:D
\u00a0
Q.42\u00a0\u00a0 Identify the operator that is NOT used with pointers <\/strong>\u00a0
\u00a0\u00a0\u00a0\u00a0 (A)\u00a0 ->\u00a0 (B)\u00a0 &
\u00a0\u00a0 \u00a0 (C)\u00a0\u00a0\u00a0 *\u00a0 (D)\u00a0 >>\u00a0
\u00a0
\u00a0 Ans:D
\u00a0
Q.43\u00a0\u00a0 Consider the following statements<\/strong>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 char *ptr;
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ptr = \u0393\u00c7\u00a3hello\u0393\u00c7\u00a5;
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cout << *ptr;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 What will be printed?\u00a0\u00a0\u00a0 \u00a0
(A)\u00a0 first letter\u00a0 (B)\u00a0 entire string \u00a0
(C)\u00a0 it is a syntax error\u00a0 (D)\u00a0 last letter\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0
\u00a0 \u00a0
\u00a0\u00a0 Ans:A
\u00a0
Q.44\u00a0 In which case is it mandatory to provide a destructor in a class?<\/strong> \u00a0
(A)\u00a0 Almost in every class
(B)\u00a0 Class for which two or more than two objects will be created
(C) Class for which copy constructor is defined \u00a0
(D) Class whose objects will be created dynamically
\u00a0
\u00a0 Ans:D
\u00a0
Q.45\u00a0\u00a0 The members of a class, by default, are \u00a0<\/strong>
\u00a0(A)\u00a0 public\u00a0 (B) protected
\u00a0(C)\u00a0 private\u00a0 (D)\u00a0 mandatory to specify \u00a0
\u00a0 \u00a0
\u00a0 Ans:C<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Q.31\u00a0 Use of virtual functions implies (A)\u00a0 overloading.\u00a0 (B)\u00a0 overriding. (C)\u00a0 static binding.\u00a0 (D)\u00a0 dynamic binding. Ans: D \u00a0 Q.32\u00a0\u00a0 this pointer\u00a0\u00a0\u00a0 \u00a0 (A)\u00a0 implicitly points to an object.\u00a0 \u00a0 (B)\u00a0 can be explicitly used in a class. (C)\u00a0 can be used to return an object. \u00a0 (D)\u00a0 All of the above. \u00a0 \u00a0Ans: D…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-c-and-c-programming-language"],"_links":{"self":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=168"}],"version-history":[{"count":0,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions"}],"wp:attachment":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}