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Digital Systems

Department of Management Information Systems, Temple University

Digital Systems

MIS 2101.730 ■ Spring 2023 ■ Steven E. Sclarow, AIA
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Posts

Ransomware: What is it and its risks

Kristina Brown - March 2, 2023 Leave a Comment

Ransomware is malware that prevents users from being able to access personal files until a ransom payment is made. Individuals, businesses, and organizations are at risk. The individual carries out the attack by gaining access to a network. From there, they are able to use malware to lock the devices. They often get access through spam, advertising, phishing, and social engineering. Ransomware has become one of the most prominent malware and has impacted millions of people. Hospitals are one of the biggest targets for ransomware attacks. Hospitals and other healthcare facilities are prime targets because they have money and want to quickly pay up to be able to provide their services. These attacks can be detrimental because it exposes personal information and can prevent immediate care to patients which has

led to deaths. As ransomware and other cyberattacks become more prevalent, getting ahead of attacks is key. One way to see if any of your information has been compromised is by testing your password security and checking if any accounts you have had have been breached, like what we did during the cybersecurity portion of the class. Individuals should also implement other factors of security with two-factor authentication and keeping systems up to date. Companies should take extra precautions and train their team on the steps of reporting and handling ransomware situations. They can also implement threat modeling, which is a way of identifying threats within their systems to be able to prevent hacks from breaches. As technology continues to change and expand, the threat of ransomware and cyberattacks, so it is important to take time to be steps ahead of the threat and keep your information backed up.

1a Post (What is MIS?)

Brittany Robinson - March 2, 2023 1 Comment

Management Information Systems (MIS) is the study of technology, people, organizations, and the relationships among them (tamu.edu). MIS professionals work in a people concentrated field with a heavy background in technology. They must have good problem-solving skills, the ability to communicate well, and be creative and come up with fresh ideas individually. MIS uses technology to help improve and enhance the lives of others. When I first heard about Management Information Systems I thought of coding, which is something many of us did unknowingly if you used Myspace, but not something I was ever truly interested in. But I now know its much more than that. I do like the aspect of helping others via technology. I’m still trying to figure out what I would like my career to be. This course has brought MIS to my attention and could be something that I could possibly see myself doing, especially being a Business Analyst.

Texas A&M University May Business School. (n.d.). What is Mis?: Management Information Systems. What is MIS? | Management Information Systems | Department of Information and Operations Management. Retrieved March 2, 2023, from https://mays.tamu.edu/department-of-information-and-operations-management/management-information-systems/

Coding Structure 7A

Cassidy Mantle - March 2, 2023 Leave a Comment

When trying to provide structure to a webpage, the coding language meant to be used is HTML which stands for the Hypertext Markup Language as well as the CSS which stands for the Cascading Style Sheets. Both provide structure for a webpage and are the core of building a website. Java Script adds the functionality to the webpages which also helps to enhance the site as well. CSS helps to design the webpage while also including the layout, colors and fonts that are used on the intended page, therefore it adds the design to the webpage. There are also different ways of differentiating the webpage from others by using CSS. Javascript is event driven because it is used to react when an event takes place such as the functions being used or the codes being presented, Javascript is dependent upon the events that take place online as well as reactionary. 

Why do we use loops? 6B

Cassidy Mantle - March 2, 2023 1 Comment

Loops in Javascript are used to help in the execution of a code sequence. Typically it is used when sequence is fixed. When we want the code to run a specific sequence and number of times, the Nested loops are used to represent this function. When we don’t know the specific number of times for a sequence, the “while” loop is used to repeat the code block until it meets the specified conditions. The three parts involved in a For loop are the starter which is the keyword For, followed by the conditional testing and then to end the sequence, the EndFor keyword is use which ends the loops. 

Discussion 7a HTML, CSS, and JavaScript. Part 1

Lyzannette Figueroa - March 2, 2023 1 Comment

Hello everyone,

Coding language is vital to organizations that want to expand their business online. When creating your website, it’s important to add all three coding languages to Programming-Language-vs-Scripting-Language-vs-Markup-Languagesensure your website looks good and can function as well. First, we look at Hypertext markup language (HTML), this is used to create a structure for your website, here you make sure everything is in the right spot with easy access to your consumers. Next you will use Cascading Style Sheets (CSS) which you will add to your website to make it look good. CSS focuses on how you make your website look pretty. Finally, you must use JavaScript to make your website functional. This allows your customers to interact with your website, which can be them signing in or clicking on available products. All three of these coding languages are necessary when creating websites. JavaScript is event-driven because it drives all the interactions and events that we experience online. Without JavaScript we would not be able to interact with one another or use the internet at all. Overall, JavaScript is an important program that is utilized everywhere.

Discussion 6b Loops and their parts.

Lyzannette Figueroa - March 2, 2023 Leave a Comment

Hello everyone,

Loops

Loops are used in programming to continue a sequence over and over again, until a certain condition is complete. This is used in business operations to ensure that you do not have to manually repeat a certain objective. One of the benefits from using loops is that you do not have to add the same code multiple times within a code, this will also make things a lot easier if you need to change or add something. You will not have to change each code manually you can change one and it will change all at the same time.  There are three different types of loops that can be used for different situations, their functions are represented by for, while, and do. The first loop I want to talk about is the for Loop contains three statements, the instruction this is the first part of the loop which will only get executed one time. The next part is the condition, this part is checking to see if the conditions are met if they are not then the loop will continue until the condition is met. The last part of the for loop happens when the conditions are met then you will jump to the final instructions. The while loop begins with the instructions that then lead to a Boolean expression, this expression will use the true or false condition within the loop, once the condition is complete it will follow the last instruction within the curly brace. Finally, the do …while loop is very similar to the while loop but in the do …while loop you have to first go through the loop before the Boolean expression is checked. These are the three types of loops and their parts.

Why is JavaScript event-driven? – 7A

Sheree Owens - March 2, 2023 1 Comment

 

JavaScript in the browser uses an event-driven programming model. Everything starts by following an event. An event-driven application is a computer program written to respond to actions generated by a user or system. Javascript was created to react when a user does an action. An example of events is if you scroll up or down or if you click a button. This will cause for the JavaScript code to react and respond. JavaScript not only reacts to events but it maintains a list of events that happened. It will loop through the lists and calls on functions to connect the events taking place. JavaScript has a runtime model based on an event loop, which is responsible for executing the code, collecting and processing events, and executing queued sub-tasks. This model is quite different from models in other languages like C and Java. I think it’s pretty cool to learn why JavaScript is event-driven programming and not object oriented.

 

https://flaviocopes.com/javascript-events/#:~:text=Introduction-,JavaScript%20in%20the%20browser%20uses%20an%20event%2Ddriven%20programming%20model,user%20types%20on%20the%20keyboard.

 

https://www.techtarget.com/searchitoperations/definition/event-driven-application#:~:text=An%20event%2Ddriven%20application%20is,for%20system%20hardware%20or%20software.

https://medium.com/@bojanaleksa/why-is-javascript-event-based-9c0fd9ac1033

Let’s talk JavaScript! – 7A

Sheree Owens - March 2, 2023 1 Comment

There is no doubt that JavaScript is the King of web development and probably the most popular language among web developers. It’s also the only language that allows you to create web applications, both frontend, and backend as well as mobile applications (React Native).

JavaScript topped the list of most popular programming languages in StackOverflow’s Developer Survey. Along with CSS and HTML, JavaScript is one of the three core web programming languages.

JavaScript is a scripting language. It runs directly from its source code; it doesn’t need to be translated into machine code before it runs.

JavaScript is also a full-stack language—though it’s most commonly used on the front end. JavaScript creates interactive web page elements like:

Clickable buttons
Images that can zoom in and out
On-page audio and video
JavaScript codes the front end of some of the world’s most famous websites LinkedIn, Google, YouTube, Twitter, eBay, Yahoo!, Wikipedia, Amazon, Facebook, and more.

https://medium.com/javarevisited/top-5-react-native-courses-for-mobile-application-developers-b82febdf8a46

Three parts of a for loop. – 6B

Sheree Owens - March 2, 2023 Leave a Comment

 

JavaScript includes for loop like Java or C#. Use for loop to execute code repeatedly.
The for loop requires following three parts.

Initializer: Initialize a counter variable to start with
Condition: specify a condition that must evaluate to true for next iteration
Iteration: increase or decrease counter

Example

  1. for(int i = 0; i<= 5; i++) 

 Three parts are separated via ; (semi-colon).

PART 1 :- int i = 0 This part of the for loop is known as initialization. Here we initialize the loop variable which will iterate through the loop.

PART 2 :- i <=5 This part is known as condition or you can say comparison, as it suits but condition is the word which suits here better. This part will set certain condition for loop variable regarding how much time it should iterate.

PART 3 :- i++  This is increment / decrement part. Here the value of loop variable is either incremented or decremented. The value change is done after execution of certain statements in loop. The value keeps changing until the condition is fulfilled.

https://www.tutorialsteacher.com/javascript/javascript-for-loop

https://www.quora.com/What-are-the-3-parts-of-a-for-loop

Discussion 6a If/else Statements

Lyzannette Figueroa - March 2, 2023 Leave a Comment

Hello everyone,

If/elseIf/else statements change the way a code is run. When you start JavaScrip you can run a sequence of code as instructions to do certain things, when you add an if/else statement into a code they run based on certain conditions. For example, true or false statements, if the response to a program is true it may execute one thing and if it is false it will execute something else. These conditional statements are very useful when trying to see if a statement is true or false and allows you to ask this question within one operation. Another Boolean expression I want to talk about is Not a Number (NaN). The purpose of NaN is to see if a value is a number or not, this is important when you are working with strings. A string in JavaScript is used to sort text within a quote, it is also used to connect pieces of information. An example of a string would be ‘Hello World’. A number example of a string is 1+2+ “3”= 33 because 3 is in quotes it will be viewed as a string making the answer 33 instead of 6.  

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What is HTML and how it is used in our everyday lives! Part 2

The coding language that adds design elements to a web page is Cascading … [More...] about What is HTML and how it is used in our everyday lives! Part 2

What is HTML and how it is used in our everyday lives! Part 1

The coding language that adds structure to a web page is HTML (Hypertext … [More...] about What is HTML and how it is used in our everyday lives! Part 1

What are Loops?

Why do we use loops? Loops are used in programming to execute a set of … [More...] about What are Loops?

Importance of IF/ELSE Statements!

Why do we use if/else statements? We use if/else statements in programming … [More...] about Importance of IF/ELSE Statements!

The Functioning of JavaScript

A function in JavaScript is a block of code designed to perform a specific … [More...] about The Functioning of JavaScript

What does JavaScript mean to you? Read more to find out what it means to Shivam Joshi!

A variable in JavaScript is a container that holds a value, which can be a … [More...] about What does JavaScript mean to you? Read more to find out what it means to Shivam Joshi!

ITA CONTACT INFO

Tarisha Sarker - Diamond Peer

Email: tarisha.sarker@temple.edu
Office Hours: Monday, 3-5 PM
Zoom Link: https://temple.zoom.us/j/91454347337

Instructor

Steven E. Sclarow, AIA

Email: sclarow@temple.edu
Office Hours Availability: M | W, 9:30 - 10:30 AM, or by appointment. Please email me if you need to schedule an appointment outside of my normal office hours.
Zoom Link: https://temple.zoom.us/j/96464375557

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