Program Plan: List of variables: CENTIMETERS_IN_INCH: Stores centimeter to inches conversion factor,i.e,. 2.54. userInput: Takes string input from user. inch: Store inches value centi: Store converted value in centimeter List of functions used: Write(): To display instructions in string to user, ReadLine(): To read input from user in string format. double.TryParse(): To convert the entered string into double. ReadKey(): To end the program after reading a random variable. Summary Introduction: Program will use Main () method to prompt the user to enter a value in inches. This value is then converted to centimeter using CENTIMETER_IN_INCH variable which stores a constant value of 2.45(conversion factor).The converted value is displayed to user on console. Program Description: Purpose of program is to take value in inches and display it in centimeters.

Question

6. What is Race condition? How to prevent it? [2 marks] 7. How many synchronization methods do you know and compare the differences. [2 marks] 8. Explain what are the “mutual exclusion”, “deadlock”, “livelock”, and “eventual entry”, with the traffic intersection as an example like dinning philosophy. [2 marks] 9. For memory allocation, what are the difference between internal fragmentation and external fragmentation. Explain with an example. [2 marks] 10. How can the virtual memory map to the physical memory. Explain with an example. [2 marks]

Answer 1

Question

Chapter 2, Problem 6E

Program Plan Intro

Program Plan:

List of variables:

CENTIMETERS_IN_INCH: Stores centimeter to inches conversion factor,i.e,. 2.54.

userInput: Takes string input from user.

inch: Store inches value

centi: Store converted value in centimeter

List of functions used:

Write(): To display instructions in string to user,

ReadLine(): To read input from user in string format.

double.TryParse(): To convert the entered string into double.

ReadKey(): To end the program after reading a random variable.

Summary Introduction:

Program will use Main () method to prompt the user to enter a value in inches. This value is then converted to centimeter using CENTIMETER_IN_INCH variable which stores a constant value of 2.45(conversion factor).The converted value is displayed to user on console.

Program Description:

Purpose of program is to take value in inches and display it in centimeters.

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