[C-Sharp Programming MCQS ]
झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।
[ C-Sharp Programming MCQS ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
561. Query syntax LINQ किस जैसा दिखता है?
[A] C# code
[B] SQL query
[C] HTML
[D] XML
561. What does query syntax LINQ look like?
[A] C# code
[B] SQL query
[C] HTML
[D] XML
सही उत्तर: SQL query
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: SQL query
Explanation: Important question.
562. Select operator LINQ में क्या करता है?
[A] Delete data
[B] Projection
[C] Insert data
[D] Sort data
562. What does Select operator do in LINQ?
[A] Delete data
[B] Projection
[C] Insert data
[D] Sort data
सही उत्तर: Projection
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Projection
Explanation: Important question.
563. Where clause LINQ में क्या करता है?
[A] Filtering
[B] Sorting
[C] Grouping
[D] Joining
563. What does Where clause do in LINQ?
[A] Filtering
[B] Sorting
[C] Grouping
[D] Joining
सही उत्तर: Filtering
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Filtering
Explanation: Important question.
564. OrderBy क्या करता है?
[A] Reverse order
[B] Sorting ascending
[C] Delete data
[D] Insert data
564. What does OrderBy do?
[A] Reverse order
[B] Sorting ascending
[C] Delete data
[D] Insert data
सही उत्तर: Sorting ascending
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Sorting ascending
Explanation: Important question.
565. GroupBy का use क्या है?
[A] Grouping data
[B] Deleting data
[C] Updating data
[D] Sorting data
565. What is GroupBy used for?
[A] Grouping data
[B] Deleting data
[C] Updating data
[D] Sorting data
सही उत्तर: Grouping data
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Grouping data
Explanation: Important question.
566. FirstOrDefault क्या return करता है?
[A] Last element
[B] First element or default
[C] Random value
[D] Null always
566. What does FirstOrDefault return?
[A] Last element
[B] First or default
[C] Random value
[D] Null always
सही उत्तर: First element or default
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: First or default
Explanation: Important question.
567. SingleOrDefault कब use होता है?
[A] Multiple values allowed
[B] Only one or default
[C] Array only
[D] List only
567. When is SingleOrDefault used?
[A] Multiple values
[B] Only one or default
[C] Array only
[D] List only
सही उत्तर: Only one or default
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Only one or default
Explanation: Important question.
568. Anonymous type क्या होता है?
[A] Named class
[B] Temporary object type
[C] Interface
[D] Struct
568. What is anonymous type?
[A] Named class
[B] Temporary object type
[C] Interface
[D] Struct
सही उत्तर: Temporary object type
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Temporary object type
Explanation: Important question.
569. Extension method क्या होता है?
[A] Modify class directly
[B] Add method without changing class
[C] Delete method
[D] Override method
569. What is extension method?
[A] Modify class
[B] Add method externally
[C] Delete method
[D] Override method
सही उत्तर: Add method without changing class
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Add method externally
Explanation: Important question.
570. Partial class का use क्या है?
[A] Multiple files में class split करना
[B] Delete class
[C] Memory increase
[D] Thread create
570. What is partial class used for?
[A] Split class files
[B] Delete class
[C] Memory increase
[D] Thread create
सही उत्तर: Multiple files में class split करना
व्याख्या: महत्वपूर्ण प्रश्न।
Correct Answer: Split class files
Explanation: Important question.