[ DOT NET Core MCQS ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ DOT NET Core MCQS ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
161. List किस Namespace में स्थित है?
[A] System.Collections.Generic
[B] System.Data
[C] System.Web
[D] System.IO
161. Which namespace contains List?
[A] System.Collections.Generic
[B] System.Data
[C] System.Web
[D] System.IO
सही उत्तर: System.Collections.Generic
व्याख्या: List Generic Collection Class है।
Correct Answer: System.Collections.Generic
Explanation: List is a generic collection class.
162. Dictionary का उपयोग किसलिए किया जाता है?
[A] Key-Value Pair Store करने के लिए
[B] Sorting के लिए
[C] Logging के लिए
[D] Routing के लिए
162. What is Dictionary used for?
[A] Store Key-Value Pairs
[B] Sorting
[C] Logging
[D] Routing
सही उत्तर: Key-Value Pair Store करने के लिए
व्याख्या: Dictionary Key और Value के रूप में Data Store करती है।
Correct Answer: Store Key-Value Pairs
Explanation: Dictionary stores data as key-value pairs.
163. Queue Collection किस सिद्धांत पर कार्य करती है?
[A] FIFO
[B] LIFO
[C] FILO
[D] Random
163. Which principle does Queue follow?
[A] FIFO
[B] LIFO
[C] FILO
[D] Random
सही उत्तर: FIFO
व्याख्या: Queue First In First Out Principle पर कार्य करती है।
Correct Answer: FIFO
Explanation: Queue follows the First In First Out principle.
164. Stack Collection किस सिद्धांत पर कार्य करती है?
[A] LIFO
[B] FIFO
[C] FILO
[D] Random
164. Which principle does Stack follow?
[A] LIFO
[B] FIFO
[C] FILO
[D] Random
सही उत्तर: LIFO
व्याख्या: Stack Last In First Out Principle पर कार्य करती है।
Correct Answer: LIFO
Explanation: Stack follows the Last In First Out principle.
165. Delegate क्या है?
[A] Type Safe Function Pointer
[B] Database Object
[C] Controller
[D] Middleware
165. What is a Delegate?
[A] Type Safe Function Pointer
[B] Database Object
[C] Controller
[D] Middleware
सही उत्तर: Type Safe Function Pointer
व्याख्या: Delegate Methods को Reference करने के लिए उपयोग होता है।
Correct Answer: Type Safe Function Pointer
Explanation: A delegate references methods safely.
166. Action Delegate क्या Return करता है?
[A] Void
[B] Integer
[C] String
[D] Boolean
166. What does Action delegate return?
[A] Void
[B] Integer
[C] String
[D] Boolean
सही उत्तर: Void
व्याख्या: Action Delegate कोई Value Return नहीं करता।
Correct Answer: Void
Explanation: Action delegate does not return a value.
167. Func Delegate क्या Return करता है?
[A] Value
[B] Void
[C] Nothing
[D] Object Only
167. What does Func delegate return?
[A] Value
[B] Void
[C] Nothing
[D] Object Only
सही उत्तर: Value
व्याख्या: Func Delegate एक Value Return करता है।
Correct Answer: Value
Explanation: Func delegate returns a value.
168. Predicate Delegate का Return Type क्या होता है?
[A] Boolean
[B] Integer
[C] String
[D] Void
168. What is the return type of Predicate delegate?
[A] Boolean
[B] Integer
[C] String
[D] Void
सही उत्तर: Boolean
व्याख्या: Predicate हमेशा True या False Return करता है।
Correct Answer: Boolean
Explanation: Predicate always returns true or false.
169. Event क्या है?
[A] Delegate Based Notification Mechanism
[B] Database Table
[C] API Method
[D] Controller Action
169. What is an Event?
[A] Delegate Based Notification Mechanism
[B] Database Table
[C] API Method
[D] Controller Action
सही उत्तर: Delegate Based Notification Mechanism
व्याख्या: Events Publisher और Subscriber Model पर आधारित होते हैं।
Correct Answer: Delegate Based Notification Mechanism
Explanation: Events are based on publisher-subscriber pattern.
170. Lambda Expression किस Symbol से लिखी जाती है?
[A] =>
[B] ==
[C] ->
[D] <=
170. Which symbol is used in Lambda Expressions?
[A] =>
[B] ==
[C] ->
[D] <=
सही उत्तर: =>
व्याख्या: Lambda Expression Anonymous Function लिखने का सरल तरीका है।
Correct Answer: =>
Explanation: Lambda expressions provide a concise way to write anonymous functions.