programming for problem solving mcq questions and answers

310+ Problem Solving and Python Programming Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Information Technology Engineering (IT) , Electrical Engineering , Civil Engineering , Mechanical Engineering .

• Flow Charts
• Designing Flowcharts
• Pseudo Code
• Numeric Types (Int,Float)
• Precedence of Operators
• Bitwise Operator

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For Solo Learner Computer science

Algorithm and Flowchart Multiple Choice Questions And Answers (MCQs)

Home » Computer Science MCQs Sets » Algorithm and Flowchart Multiple Choice Questions And Answers (MCQs)

When practicing Algorithm Flowchart and Control Structure multiple-choice questions (MCQs), students should focus on the following aspects:

1. Understanding concepts:

2. syntax and notation:, 3. identifying correct solutions:, 4. analyzing code behavior:, 5. problem-solving skills:, 6. time complexity and efficiency:.

By practicing these aspects, students can develop a strong foundation in algorithm flowcharts and control structures, which are essential for understanding and designing efficient algorithms. Additionally, practicing MCQs helps students improve their analytical and problem-solving skills, which are valuable in various programming and algorithmic scenarios.

Algorithm and Flowcharts MCQs Set-1

This Algorithm and Flowcharts MCQs contains a carefully curated selection of objective questions, as well as multiple choice questions with answers, sourced from reputable reference Read More »

Algorithm and Flowcharts MCQs Set-2

This Algorithm and Flowcharts MCQs contains a carefully curated selection of objective questions, as well as multiple choice questions with answers, sourced from reputable reference books, university exams, and question papers. These resources are invaluable for individuals preparing for university exams,competitive exams and interviews

Algorithm and Flowcharts MCQs Set-3

Algorithm and flowcharts mcqs set-4, algorithm and flowcharts mcqs set-5, algorithm and flowcharts mcqs set-6, algorithm and flowcharts mcqs set-7, algorithm and flowcharts mcqs set-8.

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• C Programming

C Programming Multiple Choice Questions (MCQs) and Answers

Master C Programming with Practice MCQs. Explore our curated collection of Multiple Choice Questions. Ideal for placement and interview preparation, our questions range from basic to advanced, ensuring comprehensive coverage of C Programming. Begin your placement preparation journey now!

Q1 Why is learning programming important in today's world?

For academic purposes only

To automate and solve complex problems

Only for software development

For entertainment purposes only

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Q2 What is the main function of a compiler in programming?

To write code

To interpret code

To convert code into machine language

To debug code

Q3 Which of the following is true about interpreters?

They execute programs faster than compilers

They translate the entire program at once

They translate and execute code line by line

They are not used in modern programming

Q4 How does a compiler differ from an interpreter?

A compiler executes code, while an interpreter does not

A compiler debugs code, while an interpreter does not

A compiler translates the entire program at once, while an interpreter translates it line by line

A compiler is used only in C programming, while an interpreter is not

Q5 What is the primary purpose of writing a "Hello World" program when learning a new programming language?

To test if the language supports string operations

To learn complex programming concepts

To demonstrate basic syntax and output

To introduce advanced programming features

Q6 What will be the output of the following C program? #include <stdio.h> int main() { printf("Hello, World!"); return 0; }

Hello, World!

Syntax Error

Q7 Identify the error in this C program: #include <stdio.h> int main() { print("Hello, World!"); return 0; }

Missing #include statement

Incorrect function name

Syntax error in return statement

Q8 Which of the following is not a keyword in C?

Q9 What data type would you use to store a character in C?

Q10 Which of the following is a valid identifier in C?

none of these

Q11 What is the size of 'int' data type in C?

Depends on the system

Q12 What is the difference between 'float' and 'double' data types in C?

Syntax only

No difference

Q13 What will be the output of the following C code? int main() { char c = 'A'; printf("%d", c); return 0; }

None of these

Q14 Identify the error in this C code: int main() { int number = 100.5; printf("%d", number); return 0; }

Assigning float to int

Syntax error

Wrong printf format

Q15 Spot the error in this code snippet: #include <stdio.h> int main() { const int age; age = 30; printf("%d", age); return 0; }

Uninitialized constant

Missing return statement

Syntax error in printf statement

Q16 What is the purpose of the printf function in C?

To read input

To print output

To perform calculations

To control program flow

Q17 What does %d signify in the printf or scanf function?

Double data type

Decimal integer

Dynamic allocation

Directory path

Q18 What will be the output of the following C code? int main() { printf("%d", 500); return 0; }

Q19 What will the following C code output? int main() { int num; scanf("%d", &num); printf("%d", num); return 0; }

The inputted number

Q20 Pseudocode: READ number PRINT "The number is ", number What does this pseudocode do?

Reads and prints a number

Prints a fixed number

Generates a random number

Q21 Identify the error in this C code: int main() { int x; scanf("%d", x); printf("%d", x); return 0; }

Missing & in scanf

Wrong format specifier

Q22 Find the mistake in this code: int main() { float num; printf("Enter a number: "); scanf("%f", num); printf("You entered: %f", num); return 0; }

Incorrect format specifier in printf

Q23 Which operator is used for division in C?

Q24 What does the '==' operator check?

Greater than

Q25 What is the result of the logical expression (1 && 0)?

Q26 What does the '+' operator do in C?

Subtraction

Multiplication

Q27 Which operator has higher precedence, '+' or '*'?

Both are same

Q28 What does the '!' operator do in C?

Q29 What is the output of the expression 2<3?

Q30 What will be the output of the following C code? int main() { int a = 10, b = 5; printf("%d", a / b); return 0; }

Computer Programming MCQ Quiz

Our Computer Programming MCQ Quiz is meticulously designed to test and enhance your understanding of various programming concepts. Whether you're a student, a budding developer, or a seasoned coder, this quiz offers a comprehensive range of questions that cover fundamental programming languages, data structures, algorithms, and software development principles. Dive into multiple-choice questions that challenge your knowledge of Python, Java, C++, and more. Each question is crafted to not only test your current understanding but also to expand your grasp of efficient coding practices and problem-solving techniques. This quiz is an excellent way for beginners to get acquainted with the Read more basics of programming and for professionals to refresh their knowledge and ensure they're up to date with the latest programming trends. Take our Computer Programming MCQ Quiz to sharpen your coding skills, prepare for job interviews, or simply enjoy the challenge of answering well-thought-out questions. With immediate feedback and explanations for each answer, you’ll have a rewarding learning experience that helps you progress in your coding journey. Join now and start testing your programming prowess! .

Computer Programming Questions and Answers

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During program development, software requirements specify

How the program will accomplish the task

What the task is that the program must perform

How to divide the task into subtasks

How to test the program when it is done

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Of the following, if statements, which one correctly executes three instructions if the condition is true?

If (x < 0) a = b * 2; y = x; z = a – y;

{ if (x < 0) a = b * 2; y = x; z = a – y; }

If{ (x < 0) a = b * 2; y = x; z = a – y ; }

If (x < 0) { a = b * 2; y = x; z = a – y; }

Which of the sets of statements below will add 1 to x if x is positive and subtract 1 from x if x is negative but leave x alone if x is 0?

If (x > 0) x++; else x--;

If (x > 0) x++; else if (x < 0) x--;

If (x == 0) x = 0; else x++; x--;

Jim currently runs a car rental dealership and wishes to write a program that allows the user to enter the temperature of the location they plan to visit and then recommend a car based on the data.  Below is a summary of the program structure Jim is looking for.         Temp greater than 80 a Convertible should be selected.         Temp  greater than 60 and less than 80 an SUV should be selected         Temp less than 60 a truck should be selected.   Jim has no trouble writing the code if the temperate is greater than 80 but gets stuck when he arrives at the second line of code which reads Temp greater than 60 and less than 80 an SUV should be selected.  What type of operator is Jim needing to use within his code?

_______ is the process of finding errors and fixing them within a program., analyze the two “if statements” below and select which answer best summarizes each line of code.         string name1, name2; int guess, answer;   if (name1.equals(name2))         if (guess == answer).

The first if statement will compare the numerical value of the two names entered to see if they are equal and the second if statement will also compare the numerical values to see if they are equal

The first if statement will not work correctly due to string values being used, the second if statement will correctly compare the variables guess and answer

The first if statement will compare the two string values to see if they are equal and the second will compare the two integer values to see if they are equal.

The first if statement should read if (name1 == name2) in order to properly compare the values and the second if statement will compare the numerical values to see if they are equal.

Sal needs to execute a section of code ten times within a program. Compare the selection structures below and select which one meets the needs identified.

Kevin has implemented a while loop within his java program. assess the code statement below and select which answer best summarizes the output kevin will experience once the while statement is executed. int count = 1; while (count <=25) { system.out.println (count); count = count –1; } system.out.println (“done”);.

The while loop will execute 25 times and print the numbers 1 through 25 and finish with the printing of Done.

The while loop will execute 25 times and print the numbers 25 down to 1 and finish with the printing of Done.

The while statement will not function correctly due to a missing semicolon(;) after the statement while (count <=25)

The while statement will execute by counting down from 1 until infinity and result in an infinite loop.

A loop that never ends is referred to as a(n)_________.

Infinite loop

Recursive loop

Kim has just constructed her first for loop within the Java language.  Which of the following is not a required part of a for loop?

Initialization

Jay is considering adding a repetition statement within his Java programming final project. Jay is unsure of the number of times each loop needs to execute.  Analyze the conditional statements below and select which statement best fits the need identified by Jay within his programming.

Switch statement

Which command will stop an infinite loop?

Score =keyboard.readint(); while (score =  -1)         { system.out.println (“the score is” + score); score =keyboard.readint();         } user input = -1, predict what will happen after the user input is accepted into the java program..

The while statement will continue to ask the user to enter a score and then print out the score that has been received.

The while loop will execute an infinite number of times because the program statement can never be false

The while statement will never print the statement “The score is” because the condition present within the while will be false on the first time through.

The while statement will function until a value other than –1 is entered.

Analyze the following error that was received when Scott tried to compile his Java program named average. Average.java:14: 'else' without 'if' else ^ Which of the following could have resulted in the error being generated?

Scott used an infinite loop within his program

Scott placed a semicolon at the end of an If statement

Scott used an incorrect looping structure

Scott omitted a line of code below the If statement such as a System.out.pritnln or a Keybaord.readInt();

Which keyword is used to declare a constant variable in Java?

What is the primary purpose of the 'super' keyword in java.

To call methods of the parent class

To declare static methods

To override methods in the subclass

To increase the visibility of methods

Which of these is not an access modifier in Java?

What does the 'continue' statement do in a loop.

Terminates the loop

Skips the current iteration and proceeds to the next one

Pauses the loop execution

None of the above

In object-oriented programming, what does the concept of inheritance allow you to do?

Create a class based on another class

Combine multiple classes into one

Encrypt data within a class

What is the function of the 'throw' keyword in Java?

It explicitly passes control to another part of the program.

It is used to declare a variable.

It terminates the program immediately.

It is used to signal the occurrence of an exception.

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Python MCQ (Multiple Choice Questions) with Answers

Python is a  free open-source ,  high-level  and  general-purpose  with a simple and clean syntax which makes it easy for developers to learn Python. Python programming language (latest Python 3) is being used in web development, Machine Learning applications, along with all cutting-edge technology in Software Industry.

In this Python MCQ article, you will have access to an extensive range of MCQs (Multiple Choice Questions) that cover a wide range of Python programming concepts. These MCQs span from fundamental to advanced topics, allowing you to test your knowledge and skills in areas such as functions, operators and data types, syntax, and best practices. The purpose of this test is to challenge your comprehension and problem-solving abilities within the realm of Python programming.

Features of Python:

Here are some of the key features of Python:

• Easy to learn : Python has a beginner-friendly syntax, making it accessible to newcomers.
• Open source : Python's source code is freely available, fostering a collaborative developer community.
• Object-oriented programming : Python supports the popular object-oriented programming paradigm.
• High-level language : Python abstracts hardware details, simplifying cross-platform code development.
• Portable : Python runs on multiple platforms, enabling the creation of cross-platform applications.
• Integrated : Python seamlessly integrates with other languages like C and C++ for improved performance.
• Interpreted : Python code is executed line by line, facilitating interactive application development.
• Dynamically typed : Python's variables have types determined at runtime, enhancing flexibility.
• Large standard library : Python includes an extensive library for diverse tasks like data science and web development.
• Active community : Python boasts a thriving developer community that consistently creates new tools and libraries.
• Output of Python Program | Set 1
• Output of python program | Set 2
• Output of python program | Set 3
• Output of python program | Set 4
• Output of python program | Set 5
• Output of python program | Set 6(Lists)
• Output of python program | Set 7
• Output of python program | Set 8
• Output of python program | Set 9(Dictionary)
• Output of python program | Set 10(Exception Handling)
• Output of python program | Set 11(Lists)
• Output of python program | Set 12(Lists and Tuples)
• Output of python program | Set 13(Lists and Tuples)
• Output of python program | Set 14 (Dictionary)
• Output of python program | Set 15 (Modules)
• Output of Python program | Set 15 (Loops)
• Output of Python program | Set 16 (Threads)
• Output of Python program | Set 17
• Output of Python Programs | Set 18 (List and Tuples)
• Output of Python Programs | Set 19 (Strings)
• Output of Python Programs | Set 20 (Tuples)
• Output of Python Programs | Set 21 (Bool)
• Output of Python Programs | Set 22 (Loops)
• Output of Python Programs | Set 23 (String in loops)
• Output of Python Programs | Set 24 (Sets)

Related MCQs:

Java Multiple Choice Questions C Multiple Choice Questions C++ Multiple Choice Questions Multiple Choice Questions on all CS topics

FAQs on Python MCQs

1. what are some popular external libraries in python.

Some popular external libraries in Python include: NumPy : For numerical computations and arrays. Pandas : For data manipulation and analysis. Matplotlib : For creating visualizations and plots. Requests : For making HTTP requests. Django : For web development.

2. How can you create a virtual environment in Python?

To create a virtual environment in Python, you can use the venv module. Here’s the command to create a virtual environment named “myenv”:

3. What is the difference between == and is operators in Python?

The == operator compares the values of two objects, checking if they are equal. The is operator, on the other hand, checks if two objects refer to the same memory location, essentially checking for object identity.

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