Question

Part 1 - Java program named MemoryCalculator

In your Ubuntu VM (virtual machine), using terminal mode ONLY, do the following:

Create the folder program2

Each record in this file represents the possible location of an error found in RAM. (Hint: One of them is not on one of the chips.)

Assume you have a computer with 4 gigs of RAM, each gig in a different memory chip, therefore you have 4 one gig RAM chips.

---------decimal---------------

HINT:

RAM chip 0 contain addresses: 0 - 8,589,934,584 bits

RAM chip 1 contain addresses: 8,589,934,585 - 17,179,869,184 bits

RAM chip 2 contain addresses: 17,179,869,185 - 25,769,803,768 bits

RAM chip 3 contain addresses: 25,769,803,769 - 34,359,738,368 bits

HINT:

RAM chip 0 contain addresses: 0 - 1,073,741,823 bytes

RAM chip 1 contain addresses: 1,073,741,824 - 2,147,483,648 bytes

RAM chip 2 contain addresses: 2,147,483,647 - 3,221,225,471 bytes

RAM chip 3 contain addresses: 3,221,225,472 - 4,294,967,296 bytes

In the same folder, in terminal mode using an editor, create a Java program to do the following:

- Call the Java program – MemoryCalculator.java

- Open the RAMerrors file

- Read each record

- Print the RAM memory chip where the error is located for each record

*** CREATE YOUR OWN METHODS THAT WILL CONVERT

HEX TO BINARY AND BINARY TO DECIMAL

*** DO NOT USE JAVA'S AUTOMATIC CONVERSION METHODS

Part 2 - Linux Shell Scripting

- Create a sh file named: program2.sh

- Set the permissions for this this *.sh file using this command to make it executable: chmod 755 program2.sh

- program2.sh should add your name and the current date and time to a NEW file called results.txt -program2.sh should then do the following:

How: - Ask the user to enter a number.

- Verify that the number is between 1 and 50, inclusive.

- If the number is not between 1 and 50, then keep asking the user to enter a number until it is valid.

- Use a loop from 1 to the value entered by the user

- Sum the results of all the included numbers, but do not include any output yet.

- After the loop ends, display the sum and append it to the results.txt file on a new line as follows

Sum of numbers is xxx

The results.txt file should have 3 lines in it when done.

***** Primarily need help with the java program *****

Answer 1

part 1 java program namory calculator

• 

part 2 linux shell scripting

• The user name and present date with time are inserted into a file.

  Initially user need enter the number, if that number is not between 1 and 50, the user need to enter it again.
  Script keeps on asking the user to enter the number if the number is not between 1 and 50.

  if the number is between 1 and 50, then all the included numbers sum is calculated. The same sum inserted into the file.

  Script is:

  #!/bin/bash

  ###WELCOME#####

  #Storing name and date in variables

  name="Mike"

  date=$(date)

  #inserting name and date variables into results.txt file

  echo "Name: $name" > results.txt

  echo "Date:$date" >> results.txt

  #ASking the user to enter a number

  echo -n "Enter numnber : "

  read n

  #checking for the between 1 and 50

  while [[ $n -le 1 || $n -ge 51 ]]

  do

  #uf number is not between 1 and 50, asking the user to enter the number again

  echo -n "Enter numnber between 1-50 : "

  read n

  done

  #calculating the sum of n numbers

  sum=0

  for (( i=1; i<=$n; i++ ))

  do

  sum=$(( $sum + $i ))

  done

  #printing the sum to the screen

  echo "Sum of numbers is $sum"

  #inserting sum results to the file

  echo "Sum of numbers is $sum" >> results.txt

  Screenshot: