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Archive for the ‘Computer science and IT assignments’ Category

Implement Java Producer and Consumer with Monitors and performance analysis

Implement in Java consumer producer model using monitors - compatible with book. (page 182) LockedQueue

See the definition of the interface and semantics of operations.

For performance evaluation, the following configuration parameters are suggested:
a) Initial list size. Populate the list initially. Test different sizes as they will generate different operating times. Ex .: 100k, 200k, 300k
b) Maximum list size. Limit the list's growth to a determined value. Ex: 300k, 500k, 1000k.
c) Distribution of commands. What percentage will we have of adds, reads and removes.
           It is suggested to test with the same frequency. In another situation, increasing reads.
d) Number of executing threads. Vary the maximum allowed by the infrastructure available. It does not make sense to go beyond the number of threads, considering hyper-threading.
e) Execution time and warm-up. Set an initial time where measu

network for business

A Trading floor employs 580 staff. They have recently expanded and as a result, need to move into a new building.  The building has been identified but has no network. New network infrastructure needs to be designed and implemented in the new building.


The organisation has the following requirements for its new network: -

    That the service be available between the hours 8 am and 5 pm
    That the service provides 99.99% availability during these times
    That the network is secure and has an internet connection
    That the network provides a reliable service
    The network should provide high performance for the end-users
    The new network should have sufficient capacity to support the business for five years.

As a key member of the Networks Team, you have been tasked to design a network for the new building.  At this stage, logical design

Equation Evaluator Project

Create a Program that will accept an equation as input from the user using standard algebraic format.

Examples:
N O N (ENTER)
(N O N) O N (ENTER)
( ( ( N  O N O N ) O N O ( N O N ) O N ) O N ) O N (ENTER)

where N is a number and O is either a math or logical comparison operator. The entire entry must be entered as a single input with one enter key click.

The Math operators that must be accepted are:
+ addition
- subtraction
* multiplication
/ division
% modulus

The comparison operators are:
== equals
!= not equals
@= absolute value of both are equal
< less than
<= less than or equals
> greater than
>= greater than or equals
NOTE: You are not required to include comparisons of equations. You may limit comparisons to just 2 numbers.

The use of math operators will cause the resulting number to be displayed.

The use of a comparison will cause "True" of "False" to be displayed.

Debugging Java Code

An assignment that I have tried to complete and am having difficult successfully completing. I attached the assignment requirements and the code I have in attempts to do the assignment. It can be altered and changed as much as long as it fully works and meets the requirements. Word doc and Students.txt are files regarding the assignment. Scheduler.java, activecourse.java, course.java, creditcourse.java, registry.java, scheudler.java, student.java, studentregistrysimulator.java are all parts of the code that need to work together.

Please read

Hi, I have a homework to finish I was giving two codes (java), I have to somehow fit what I have in one code into the other
it should be quick but I have some doubts about what can be changed in order to implement the code in thew other one

requirement:
hone numbers and PIN codes can be easier to remember when you find words that spell out
the number on a standard phone pad. For example, instead of remembering the combination
5282, you can just think of JAVA.
Write a recursive method that given a number, yields all possible spellings (which may or may
not be real words)

python program

For this program we will create a bunch of student objects, and we'll have a dictionary that holds a collection of these student objects. That is, the dictionary will represent a course the students are enrolled in. Using a class will allow us to keep both the student data and the methods that operate on that data together. Collecting the class instances into a dictionary and making use of the pickle module will allow us to store and retrieve our student data without having to do any data conversion.

We might have used a list to contain the student objects, but is this case we will use a dictionary. The key associated with the student object will be the student ID. This allows being able to find a given student directly using their ID, without having to iterate through a loop of students to find the one we want.

So, here's what we need to do. We'll use a dictionary to be a container for a given course, CIT101. We will populate that dictionary with instances of a student c

python program classes and pickles

We now have remedies for both of these issues. For this program we will create a bunch of student objects, and we'll have a dictionary that holds a collection of these student objects. That is, the dictionary will represent a course the students are enrolled in. Using a class will allow us to keep both the student data and the methods that operate on that data together. Collecting the class instances into a dictionary and making use of the pickle module will allow us to store and retrieve our student data without having to do any data conversion.

We might have used a list to contain the student objects, but is this case we will use a dictionary. The key associated with the student object will be the student ID. This allows being able to find a given student directly using their ID, without having to iterate through a loop of students to find the one we want.

So, here's what we need to do. We'll use a dictionary to be a container for a given course, CIT101. We will populat

Python assignment

Submitted a .txt file with 10 different languages, each one on a new line.
Submitted a python file that demonstrates:
A linear search for a specific world language.
An insertion sort function.
A print() command that shows how the list has been sorted in alphabetical order.

Hashing Assignment

The solutions for each part just needs to follow the guidelines in the pdf provided. I will provide the pdf file which contains the assignment itself and what to do, and c++ files of code to go along with the pdf. In some cases you will just need to modify the code and in others you will need to write additional methods. Once again just read through the pdf and follow.

Create Ethereum token, smart contract, metamask

1. Refer to the Power point and PDF is uploaded. Will need to follow steps.

2. Create your own Crypto-token and smart contract,  following the step by step procedures given in the book, and upload screenshots of your Ether token and contract address using etherscan.io and the metamask plugin.

3. When creating accounts for me please use an account name of jvfly
4. for token name use name is JV4151 or JVS
If you need an email to register anything let me know so i can provide if needed.

**Solidity Programming language**