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# CS502 Quiz 2 Solution

#Quiz 2 Solution In this quiz, we will be learning about how to use Python to solve various problems. We will be using the Python interpreter to solve these problems. You can find the interpreter at http://www.python.org/. #1. Write a program that takes two numbers as input and prints the sum of the two numbers. num1 = input(“Enter the first number: “) num2 = input(“Enter the second number: “) #

Convert the input strings to integers num1 = int(num1) num2 = int(num2) # Compute the sum sum = num1 + num2 # Print the sum print(“The sum is:”, sum) #2. Write a program that takes a list of numbers as input and prints the sum of the numbers in the list. # Get the input from the user lst = input(“Enter a list of numbers: “) # Convert the input string to a list lst = lst.split(“,”) # Convert the strings in the list to integers lst = [int(x

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## CS502 Quiz 2 Solution

Today, we will be discussing the solution to the CS502 Quiz 2. This quiz covered a lot of material, including the different types of data structures, the time complexity of various operations, and the trade-offs between different data structures. CS502 Quiz 2 Solution 2023

As always, we will start by going over the question and then discussing the solution. CS502 Quiz 2 Solution

Question 1:

What is the worst-case time complexity of the following operations on a binary search tree of size n?

- a. Searching for an element
- b. Deleting an element
- c. Inserting an element
- d. Printing the tree in sorted order

Solution:

The worst-case time complexity of the operations on a binary search tree of size n are as follows:

- a. Searching for an element – O(log n)
- b. Deleting an element – O(log n)
- c. Inserting an element – O(log n)
- d. Printing the tree in sorted order – O(n)
- Question 2:

What is the worst-case time complexity of the following operations on a hash table of size n?

- a. Searching for an element
- b. Deleting an element
- c. Inserting an element
- d. Printing the table

Solution:

The worst-case time complexity of the operations on a hash table of size n are as follows:

- a. Searching for an element – O(1)
- b. Deleting an element – O(1)
- c. Inserting an element – O(1)
- d. Printing the table – O(n)

Question 3:

What is the worst-case time complexity of the following operations on an AVL tree of size n?

- a. Searching for an element
- b. Deleting an element
- c. Inserting an element
- d. Printing the tree in sorted order

Solution:

The worst-case time complexity of the operations on an AVL tree of size n are as follows:

a. Searching

## cs502 quiz 1

Quiz 2 Solution

1) Which of the following is not one of the three essential components of the scientific method?

a) observation

b) hypothesis

c) experimentation

d) conclusion

The answer is d) conclusion. The scientific method is a process that is used to gather data and evidence in order to form a hypothesis. After a hypothesis is formed, experiments are conducted in order to test the hypothesis. The results of these experiments are then analyzed in order to reach a conclusion.

2) A scientific theory is:

a) an educated guess.

b) a well-supported, well-tested explanation for a wide range of observations.

c) a fact.

d) an unproven hypothesis.

The answer is b) a well-supported, well-tested explanation for a wide range of observations. A scientific theory is a comprehensive explanation for a wide range of observations. It is supported by a large body of evidence and has been repeatedly tested and verified.

3) The goal of science is to:

a) explain the natural world.

b) make predictions about the future.

c) understand the natural world.

d) control the natural world.

The answer is c) understand the natural world. The goal of science is to understand the natural world. This understanding is reached through observation, experimentation, and analysis.

## cs502 quiz 1 2023

The quiz had two parts. Part A was based on the lecture material and Part B was based on the tutorial material.

PART A

1)What is the main difference between the C++ programming language and the Java programming language?

C++ is a compiled language while Java is an interpreted language. This means that in order to run a C++ program, the source code must be converted into machine code, which can be done using a compiler. On the other hand, Java programs are not compiled into machine code, but rather into bytecode, which is executed by the Java Virtual Machine.

2)What is the output of the following C++ code?

#include

using namespace std;

int main()

{

int x = 10;

int y = 20;

int z = 30;

cout << x << ” ” << y << ” ” << z;

return 0;

}

The output of the code will be 10 20 30.

3)What is the output of the following C++ code?

#include

using namespace std;

int main()

{

int x = 5;

int y = 10;

int z = 15;

cout << ++x << ” ” << ++y << ” ” << ++z;

return 0;

}

The output of the code will be 6 11 16.

PART B

1)What is the output of the following Java code?

public class Test

{

public static void main(String[] args)

{

int x = 10;

int y = 20;

int z = 30;

System.out.println(x + ” ” + y + ” ” + z);

}

}

The output of the code will be 10 20 30.

2)What is the output of the following Java code?

public class Test

{

public

## 1) CS502 Quiz 2 Solution

Here is the CS502 Quiz 2 Solution. This quiz is based on the lecture notes and covers the material from the second half of the course. CS502 Quiz 2 Solution 2023

1) What is the primary purpose of an operating system?

The primary purpose of an operating system is to manage the resources of a computer system. This includes managing the processor, memory, and I/O devices. The operating system must also provide a mechanism for users to interact with the system.

2) What are the four major categories of operating system functions?

The four major categories of operating system functions are process management, memory management, I/O management, and file management. CS502 Quiz 2 Solution

3) What is the difference between a process and a thread?

A process is a program in execution. A thread is a unit of execution within a process.

4) What is the difference between preemptive and non-preemptive scheduling?

Preemptive scheduling means that the scheduler can interrupt a running process to give the CPU to another process. Non-preemptive scheduling means that the scheduler can only give the CPU to a process when the running process voluntarily gives up the CPU. CS502 Quiz 2 Solution

5) What is the difference between a soft real-time system and a hard real-time system? CS502 Quiz 2 Solution

A soft real-time system is one in which missing a deadline is not catastrophic. A hard real-time system is one in which missing a deadline is catastrophic. CS502 Quiz 2 Solution

6) What is the difference between a first-come-first-served scheduling algorithm and a shortest-job-first scheduling algorithm?

A first-come-first-served scheduling algorithm gives the CPU to the first process that arrives. A shortest-job-first scheduling algorithm gives the CPU to the process with the shortest expected run time. CS502 Quiz 2 Solution

7) What is the difference between a round-robin scheduling algorithm and a priority scheduling algorithm?

A round-robin scheduling algorithm gives each process a fixed amount of time before giving the CPU to the next process. A priority scheduling algorithm gives the CPU to the process with the highest priority.

8) What is the difference between a FIFO queue

## 2) How to score well in CS502 Quiz 2

Quiz 2 is worth 20% of your grade for CS502. In order to score well, you need to understand the material and be able to apply it. There are a few things you can do to prepare for the quiz.

1. Review the lecture slides and notes. Make sure you understand the concepts.

2. Do the practice problems in the textbook. These will help you understand how to apply the concepts.

3. Take a practice quiz. There are many online quizzes you can take to get practice with the format and types of questions that will be on the quiz.

4. Get plenty of rest the night before the quiz. You will do your best if you are well rested.

5. Eat a healthy breakfast the morning of the quiz. You want your brain to be functioning at its best.

6. Make sure you have everything you need for the quiz before you start. This includes a pencil, eraser, and calculator.

7. Relax and take your time. Don’t rush through the quiz. If you don’t know an answer, skip it and come back to it later.

8. Check your work. Make sure you have answered all the questions and that your answers are correct.

Following these tips will help you score well on CS502 Quiz 2.

## 3) Tips to score well in CS502 Quiz 2

1. First and foremost, make sure you have a strong understanding of the material covered in lectures 1-5. These lectures cover the basics of data structures and algorithms, which will be heavily tested on the quiz. If you’re struggling with the material, make sure to review the lectures and/or consult with a TA.

2. Secondly, practice, practice, practice! A good way to prepare for the quiz is to work through practice problems. The TAs have put together a practice quiz, which you can find on Piazza. Additionally, the textbook (Introduction to Algorithms by Cormen et al.) has a whole section of review problems at the end of each chapter.

3. Finally, don’t wait until the last minute to start preparing. The quiz is cumulative, so you’ll need to review all of the material covered in the lectures. Start studying early and you’ll be in good shape come quiz time. CS502 Quiz 2 Solution

## 4) Guidelines to score well in CS502 Quiz 2

Quiz 2 is an online test that is taken by the students of CS502. In this test, the students are required to answer questions based on the course material. The quiz is divided into two parts, Part A and Part B. Part A consists of 20 questions and Part B consists of 10 questions. The total time allotted for the quiz is 60 minutes. CS502 Quiz 2 Solution

There are four guidelines that can help students score well in this quiz: CS502 Quiz 2 Solution

1) Read the instructions carefully: The instructions for the quiz must be read carefully before starting the quiz. This will help the student understand the format of the quiz and the type of questions that will be asked. CS502 Quiz 2 Solution

2) Answer all the questions: All the questions in the quiz must be attempted. There is no negative marking for wrong answers in the quiz. CS502 Quiz 2 Solution

3) Be precise: The answers must be short and to the point. Unnecessary details must be avoided. **CS502 Quiz 2 Solution **

4) Review the answers: The answers must be reviewed before submission. This will help the student identify any mistakes that have been made. CS502 Quiz 2 Solution

## 5) Expectations from CS502 Quiz 2

Quiz 2 of CS502 was on the topic of data structures. The quiz covered various topics related to data structures, including linked lists, stacks, queues, and trees. The quiz was worth a total of 20 points, and consisted of multiple-choice and short-answer questions. CS502 Quiz 2 Solution

Here are the five expectations from CS502 quiz 2: CS502 Quiz 2 Solution

1. Understand the concept of a linked list and be able to implement one in Java.

2. Understand the concept of a stack and be able to implement one in Java.

3. Understand the concept of a queue and be able to implement one in Java.

4. Understand the concept of a tree and be able to implement one in Java.

5. Be able to answer questions about the time complexity of various operations on data structures.

### Cs502 quiz 2 solution 2023, cs502 quiz 2 solution 2023

**Question No 1:**

According to parenthesis lemma, vertex u is a descendent of v vertex if and only if:

- Unrelated
- Disjoint
**Correct**

**Question No 2:**

The relationship between number of back edges and number of cycles in DFS is:

**Back edges are one quarter of cycles Correct**- Both are equal
- Both edges are half of cycles
- There in no relationship between no. of edges and cycles

**Question No 3:**

Cross edge is:

- (u,v) where u and v are not ancestor of one another
**(u,v) where u and v are not ancestor or descendent of one another Correct**- (u,v) where u is ancestor of v and v is not descendent of u
- (u,v) where u and v are either ancestor or descendent of one another

**Question No 4:**

Bellman-Ford Algorithm does not allow G(graph) to have _____

**Negative weights edges Correct**- Positive cost cycles
- Positive weights edges
- Negative cost cycles

**Question No 5:**

The key[u] is the weight of the ______ going from u to any vertex in S.

- Heavier edge
**Lightest edge Correct**- Lighter edge
- Edge

Question No 6:

Adding any edge to a free creates a unique _____.

- Vertex
- Cycle Correct
- Strong component
- Edge

Question No 7:

Networks are ______ in the sense that it is possible from any location in the network to reach any other location in the digraph.

- Complete Correct
- Not graphs
- Transportation
- Incomplete

**Question No 8:**

In a printer with DB-25 interface _____ signal is better for edge triggered systems.

**ACKNLG# Correct**- PE#
- STROB#
- BUSY#

**Question No 9:**

_____ in the concept in which a process is copied into the main memory from the secondary memory according to the requirement.

**Demand Paging Correct**- Logical Partition
- Segmentation
- Paging

**Question No 10:**

Along with information bits we add up another bit which is called the _____ bit.

- CRC
- Hamming
**Parity Correct**- Error Detection