Competitive Exams : Computer Awareness - Programming (Set 1)

Question 1

Which of the following translator programs translates high-level programming language code into machine code line-by-line during execution?

Accepted Answer

B) Interpreter

Answer

A) Compiler

Answer

C) Assembler

Answer

D) Linker

Answer

E) Loader

Question 2

Flowchart Standard Symbols: Oval = Start/End, Parallelogram = Input/Output, Rectangle = Process, Diamond = Decision.

In standard algorithm flowcharts, which geometric symbol is used to represent a decision or branching point?

Accepted Answer

C) Diamond

Answer

A) Rectangle

Answer

B) Parallelogram

Answer

D) Oval

Answer

E) Circle

Question 3

According to standard programming variable naming rules, which of the following is an INVALID variable identifier?

Accepted Answer

C) 2nd_number

Answer

A) total_count

Answer

B) _value

Answer

D) number2

Answer

E) sumOfDigits

Question 4

What is the boolean evaluation result of the logical expression $(5 > 3) \ ext{\&\&} \ (2 < 1)$ in standard programming logic?

Accepted Answer

B) false

Answer

A) true

Answer

C) 1

Answer

D) Null

Answer

E) Syntax Error

Question 5

In Object-Oriented Programming (OOP), which core principle combines data and functions into a single unit and protects them from external interference?

Accepted Answer

C) Encapsulation

Answer

A) Polymorphism

Answer

B) Inheritance

Answer

D) Abstraction

Answer

E) Overriding

Question 6

What category of programming error occurs when a program attempts to perform an illegal arithmetic operation, such as dividing by zero during execution?

Accepted Answer

D) Runtime Error

Answer

A) Syntax Error

Answer

B) Semantic Error

Answer

C) Logical Error

Answer

E) Compilation Error

Question 7

Which loop statement guarantees that the body of the loop executes AT LEAST ONCE before evaluating the termination condition?

Accepted Answer

C) do-while loop

Answer

A) for loop

Answer

B) while loop

Answer

D) foreach loop

Answer

E) nested loop

Question 8

Consider an array `arr` declared to store 10 integers in a 0-indexed programming language. What is the index of the final element in this array?

Accepted Answer

B) 9

Answer

A) 10

Answer

C) 0

Answer

D) 1

Answer

E) 11

Question 9

What defines the fundamental structure of a recursive function in programming?

Accepted Answer

B) It calls itself within its own body until a base case is met

Answer

A) It executes continuously in an infinite loop

Answer

C) It cannot return any value to the caller

Answer

D) It operates without consuming memory overhead

Answer

E) It only accepts global variables as arguments

Question 10

When passing arguments to a function, what method creates a duplicate copy of the actual parameter's value in a new memory address?

Accepted Answer

B) Call by Value

Answer

A) Call by Reference

Answer

C) Call by Address

Answer

D) Call by Pointer

Answer

E) Call by Name

Question 11

Which section of memory dynamic memory allocation utilities (such as `malloc()` or `new`) allocate memory from at runtime?

Accepted Answer

C) Heap

Answer

A) Stack

Answer

B) Register

Answer

D) Cache

Answer

E) Read-Only Memory

Question 12

Which OOP mechanism permits a child class to provide a specific implementation for a method already declared in its parent class?

Accepted Answer

B) Method Overriding

Answer

A) Method Overloading

Answer

C) Data Hiding

Answer

D) Encapsulation

Answer

E) Instantiation

Question 13

What is the worst-case time complexity of the Binary Search algorithm operating on a sorted array of $n$ elements?

Accepted Answer

D) $O(\log n)$

Answer

A) $O(1)$

Answer

B) $O(n)$

Answer

C) $O(n^2)$

Answer

E) $O(n \log n)$

Question 14

Which abstract data structure operates strictly under the Last-In, First-Out (LIFO) protocol?

Accepted Answer

B) Stack

Answer

A) Queue

Answer

C) Array

Answer

D) Linked List

Answer

E) Binary Tree

Question 15

Which control keyword immediately terminates the enclosing loop statement and passes execution control to the statement following the loop?

Accepted Answer

C) break

Answer

A) continue

Answer

B) exit

Answer

D) return

Answer

E) pass

Question 16

Pseudocode Logic Trace:
Set count = 0
For i = 1 to 4:
count = count + i
End For

Trace the execution of the pseudocode above. What is the final value of the variable `count`?

Accepted Answer

C) 10

Answer

A) 4

Answer

B) 6

Answer

D) 12

Answer

E) 15

Question 17

In Object-Oriented Programming, what is a special member function that shares its name with the class and automatically executes when a new instance is created?

Accepted Answer

B) Constructor

Answer

A) Destructor

Answer

C) Virtual Function

Answer

D) Inline Function

Answer

E) Static Function

Question 18

Which of the following programming languages is classified as a pure Object-Oriented Programming Language (where every entity is strictly treated as an object)?

Accepted Answer

B) Smalltalk

Answer

A) C

Answer

C) Assembly

Answer

D) FORTRAN

Answer

E) COBOL

Question 19

What is a pointer variable in low-level/systems programming languages such as C or C++?

Accepted Answer

B) A variable that stores the memory address of another variable

Answer

A) A special keyword used to render graphic output

Answer

C) A construct used to format string output

Answer

D) A constant numerical value that cannot be altered

Answer

E) A data type used solely for boolean arithmetic

Question 20

What software engineering process refers to detecting, isolating, and fixing bugs or errors within program code?

Accepted Answer

C) Debugging

Answer

A) Compiling

Answer

B) Interpreting

Answer

D) Linking

Answer

E) Deployment