Part-2 UP Police Promotion | Computer Operator to Programmer | PYQ Solved | With Explanation

Описание: इस वीडियो में UP Police Computer Operator to Programmer Promotion परीक्षा January 2026 के प्रश्नपत्र को पूरी तरह हल (Solved) किया गया है।
यह कंटेंट विशेष रूप से उन अभ्यर्थियों के लिए उपयोगी है जो
UP Police Programmer, UPPSC Programmer, Computer Instructor और अन्य Computer आधारित प्रतियोगी परीक्षाओं की तैयारी कर रहे हैं।
UP Police Programmer Grade 2
UP Police Programmer 2013 Question Paper
Programmer Grade 2 Solved Paper
UP Programmer PYQ
Computer Questions with Explanation
UP Police Computer Exam Preparation

This video is very helpful for candidates preparing for:

Government Jobs

UP Police Programmer

Computer Competitive Exams

🔍 Topics Covered:

Computer Fundamentals

Operating System

DBMS

Computer Networking

Programming Basics

MCQs with Detailed Explanation

#UPPoliceProgrammer
#ProgrammerGrade2
#UPPolice2013
#ComputerPYQ
#GovernmentJob
#ComputerCompetitiveExam
#UPPoliceExam
#ProgrammerExam
#ComputerMCQ
#StudyWithNivransh

Q26. Which traversal gives sorted output in BST?
(A) Preorder
(B) Postorder
(C) Inorder ✅ (Correct)
(D) Level

Q27. Abstract Data Type focuses on :
(A) Implementation
(B) Data & operations ✅ (Correct)
(C) Hardware
(D) Syntax

Q28. Which C feature supports dynamic memory?
(A) Arrays
(B) malloc( ) ✅ (Correct)
(C) Structures
(D) Macros

Q29. Which header file is required for malloc?
(A) stdio.h
(B) stdlib.h ✅ (Correct)
(C) math.h
(D) string.h

Q30. Dangling pointer points to :
(A) Valid memory
(B) NULL
(C) Freed memory ✅ (Correct)
(D) Stack
Dangling pointer ऐसी memory को point करता है जो free / delete हो चुकी होती है।

Q31. Which operator has highest precedence?
(A) * ✅ (Correct)
(B) +
(C) =
(D) &&

Q32. Scope of local variable is :
(A) Whole program
(B) Function only ✅ (Correct)
(C) File
(D) Global
Local variable का scope block तक सीमित होता है, जो function भी हो सकता है

Q33. Which keyword prevents variable modification?
(A) static
(B) volatile
(C) const ✅ (Correct)
(D) auto
const keyword का उपयोग variable की value बदलने से रोकने के लिए किया जाता है।

Q34. Which structure is best for expression evaluation?
(A) Queue
(B) Stack ✅ (Correct)
(C) Tree
(D) Graph
Expression + Evaluation = Stack

Q35. Which C feature enables modular programming?
(A) Pointers
(B) Functions ✅ (Correct)
(C) Macros
(D) Loops

Q36. Linked list insertion is faster because :
(A) No shifting ✅ (Correct)
(B) Contiguous memory
(C) Indexing
(D) Static size

Q37. Which problem uses recursion naturally?
(A) Sorting
(B) Factorial ✅ (Correct)
(C) Searching
(D) Traversal

Q38. Which function compares strings?
(A) strcpy
(B) strcmp ✅ (Correct)
(C) strlen
(D) strcat

Q39. Which loop is entry controlled?
(A) do-while
(B) while ✅ (Correct)
(C) repeat
(D) switch

Q40. Which operator is unary?
(A) +
(B) –
(C) *
(D) ++ ✅ (Correct)

Q41. OOP stands for :
(A) Object-Oriented Programming ✅ (Correct)
(B) Open Object Protocol
(C) Order of Process
(D) Object Operation

Q42. Which feature supports code reuse?
(A) Encapsulation
(B) Inheritance ✅ (Correct)
(C) Polymorphism
(D) Abstraction

Q43. Which access specifier allows inheritance but hides from outside?
(A) public
(B) private
(C) protected ✅ (Correct)
(D) default

Q44. Function with same name but different arguments is :
(A) Overloading ✅ (Correct)
(B) Overriding
(C) Inheritance
(D) Binding

Q45. Virtual functions support :
(A) Compile-time binding
(B) Run-time polymorphism ✅ (Correct)
(C) Encapsulation
(D) Templates

Q46. Constructor name must be :
(A) Any name
(B) Same as class ✅ (Correct)
(C) Different
(D) Static

Q47. Destructor is called when :
(A) Object created
(B) Object destroyed ✅ (Correct)
(C) Program starts
(D) File opens

Q48. Operator overloading improves :
(A) Speed
(B) Readability ✅ (Correct)
(C) Memory
(D) Security