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By Matthew Berrett

 If you have any suggestions on how to make this blog better, please leave a comment. Also, if you would like to see a blog on a specific topic, please don't hesitate to leave your requests in the comment section.

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OS Theory Concept Map

By Matthew Berrett
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OS Theory Concept Map Section 1: -Categorize, describe, and give examples of the major functions of operating systems. One of the first and most significant functions of operating systems is to maintain supervision of the execution of user programs to prevent errors and improper use of the computer. The operating system acts as a crucial intermediary between the hardware and software, ensuring that user programs are executed in a controlled and secure manner. The kernel, as the core component, plays a central role in this function. It provides essential services and manages system resources, allocating them to processes and scheduling their execution. By overseeing memory management, the kernel ensures that programs do not interfere with each other's memory space, avoiding potential crashes or data corruption. Additionally, it manages input/output (I/O) operations, which are essential for interacting with devices like printers, scanners, and disk drives. Device management, as...
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Traveling Through a Network

By Matthew Berrett
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An interesting experiment is using ping and traceroute commands on your computer. To use ping or traceroute commands on a windows computer right click the Start menu and click run. Then type cmd into the textbox and click OK. Then in the command prompt, type ping, then space, then the specific domain name or IP address, and press enter. Follow the same steps to perform a traceroute, but instead of typing ping, type traceroute. Using ping and traceroute, you send signals or packets of information from your computer to websites, other computers, or devices within the network. After sending the signal through a ping or traceroute, you will be able to see if the other device or website got the signal, if it was returned, and how long it took to reach the other device or website. If, when doing a ping for a device such as a printer in the local network and you receive a “request timed out” message, this could mean an issue with the printer, such as not being connected to the internet. I...
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Computers in the Workplace

By Matthew Berrett
Information Technology is used in just about every industry. One industry many people may not correlate IT with is the construction industry. I have eight to nine years of experience in the construction industry. When thinking about Information Technology, I couldn’t think of when or how we used it other than using our mobile devices to call each other. When I did construction, I mainly did the framing, which is the process of building walls, floors, and roofs. IT was building the wood frame of the house hence the name framing. As a grunt worker, I mainly used nail guns, measuring tape, or hammers to get work done. But there were times when we would need to do some math to make sure things were square, so we would use a calculator or a phone to do the Pythagorean theorem. Besides using our phones and calculators, our boss or superintendent would look at the plans and use a computer to order supplies. Regarding the plans or blueprints, Architects use CAD (Computer-aided Design) to dra...
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