8 Simple Rules Streaming Uk

0 views
Skip to first unread message

Thora Buckner

unread,
Jul 26, 2024, 3:37:40 AM7/26/24
to Wisconsin Educational Technology

I debated whether to include a bit on the standard user/non-admin advice, and it certainly is solid advice. I wanted to keep it relatively simple, and have each of these three follow from one another.

I agree with keeping it very simple, Brian. Most of the general users I talk to about staying safe would not have the slightest idea what I meant by using limited accounts but those rules you listed they can understand. And the new malware MacDefender on the MAC can be avoided with your rule #1.

Agreed that there is no excuse to avoiding admin accounts except for the fact that Windows *still* creates an admin account *by default* upon installation. There is also no excuse that this remains true this far down the road. This is not the case with competing desktop operating systems like Mac and Ubuntu.

On Slashdot.org today, they had a question about security on the smartphone. The answers were not satisfying. I would like to hear your words of wisdom in this arena. What are your rules of security for smartphones?

The other tip I might give at this point is to choose your phone to minimize your exposure. Right now Android devices are looking to be the most susceptible to widespread abuse. They have a large install base, and a very open process for applications. In my opinion only, these factors are combining to make it the most attractive target for attackers.

There is true, substantial costs to goofing off on your computer. Be ready to pay them. If you mix business and pleasure on the same computer, you run a very high risk of making your business a part of that cost.

I took the time to remove items from the startup menu upon first buying my laptop, but did realize that installed programs can automatically place themselves in startup. After reading this I took a look and was suprised to see all the garbage in the startup programs. I removed the unnecessary items and it made a huge difference in boot time. Thanks. Occasionally while surfing the internet on a seemingly safe site I will be redirected to a page for recommended computer scan and appearence of a task bar. I immediately close the window and download nothing, could that still problems?

@xAdmin
When I got my first computer I had to put it together myself. This was before the IBM PC or the Apple I or the Radio Shack Model I. I was just fascinated by computing. Not everyone is like me. Not everyone is like you.

Under the term BASIC technology we combine single-sided, double-sided and multilayer printed circuit boards. Each PCB is something special, unique - your creation, made by us. Manufactured from base material in FR4 quality, this technology provides the reliable foundation for many applications, for example in industry, medical technology, automotive and aerospace.

With metallized through holes (PTH = plated through hole) as component holes and as electrical connection between the copper layers, it is possible to route a wide variety of electronic components up to a 0.8 mm pitch BGA. This makes your circuit plan and your individual solution a reality.

Good - better - standard: Standards are also the basis for quality and efficiency in the form of proven layer structures and design rules. Ensure error prevention and productivity increase in design, manufacturability as well as reliability of the PCB in the application.

Modern printed circuit board solutions are more than just connecting elements. They are the key to progress in electronics. With this in mind, we actively support our customers in their development and also offer our own system solutions with electronic functions.

In addition, in the Design Guide Plugging-Filling-Tenting, we have summarized not only basic definitions of terms, but also the individual designs of vias with their respective objectives in a clear manner for you. This will help you find the right solution for each of your use cases - within IPC-4761 and beyond.

Modern printed circuit board solutions are more than just connecting elements. They are the key to progress in electronics. With this in mind, we actively support our customers in the development and also offer our own system solutions with electronic functions.

In addition, in the Design Guide Plugging-Filling-Tenting, we have summarized not only basic definitions of terms but also the individual versions of vias with their respective objectives. So you will find the right solution for each of your applications - within the IPC-4761 and beyond.

With these stackups, you automatically use market-customary and cost-optimized standards and avoid expensive custom builds. In addition, high-quality and cost-effective production with shorter delivery times is made possible because stocked materials are used and standardized production processes are followed.

Inner layers can be structured simply by etching, the copper design is covered by resist for this purpose. In the process of outer layers, in addition to the pure structuring, the holes (PTHs) have to be metallized to establish the electrical connection between the copper layers. For this purpose, copper is deposited in the hole barrel and on the outer layers. For photo-structuring, the process must therefore be inverted, the holes and the copper design are open for copper buildup, and the resist prevents copper buildup in the places where there should be no copper in the end product.

This question is generally discussed very controversially, there are arguments for and against. From our experience, removal does not bring any significant improvements in terms of manufacturability and manufacturing costs. In addition, there is less anchoring and stability of the barrel, which can have a negative effect during thermo-mechanical stress, for example soldering cycles or temperature changes in field use. With RIGID.flex technology, the removal of non-used/non-functional pads on the polyimide layers must be avoided at all costs - otherwise reliability can be severely impaired!

Basically, in this 1 oz. to oz. comparison (35 m copper foil thickness to 17.5 m), the thinner copper foil is less expensive. At the same time, smaller spacings are easier to produce with the thinner foil thickness, and the higher yield also has a cost-reducing effect.

The copper distribution should basically be as uniform as possible. For signal layers, the area share of copper is lower than for planes, but should be in the range of 40 to 60 %. Larger areas without copper should be filled and connected to a defined potential. For example, a high area copper content improves heat dissipation through heat distribution and heat dissipation. High uniformity of copper distribution is important for manufacturability with low thickness and etch tolerances and low board warpage.

IPC-2221 defines that the conductor width is measured at the base, see IPC-2221B Fig. 10.1. The manufacturing data for the photoresist are therefore modified accordingly with the aim of achieving the desired final width according to customer data after etching.

Prepreg (and copper foil) on the outside is easier and cheaper, the layer stack needs one core less. Prepreg and copper foil do not carry structures and therefore do not need to be registered to the inner layers. In the case of cores on the outside, their inner layers must be structured before pressing and registered for pressing, while the outer sides must remain completely covered with copper for the subsequent processes. The manufacturing process with foil lamination is therefore simpler than with core lamination.

At Wrth Elektronik, the material for prepregs and cores in one stackup is always of the same grade, i.e. BASIC Multilayer is made of FR4 from one manufacturer. The prepregs are made of the same material as the cores, but the resin is not fully cured ("B-stage"). As in the production of the core (from prepregs and copper foil), the prepreg resin is just fully cured (cross-linked, "C-stage") during multilayer production.

Yes, even then the conductors and copper structures should be protected from contact and contamination. So solder mask has a function not only for the soldering process, but also for the use of the PCB.

We dive into the fascinating world of printed circuit boards and learn about BASIC technology. What are BASIC printed circuit boards made of? What is a multilayer? And how are the numerous layers, even if not 1,000, produced?

For example, did you know that switching to a slightly smaller drill bit can cause a much higher PCB price in some circumstances? The webinar will be of interest to developers, purchasing and management. Get insight into how PCB design is linked to the implications for PCB manufacturing and the costs involved. We provide guidance on the general cost structure of a PCB with a view to its layout and geometry.

The printed circuit board is generally underestimated. Functionally, it carries and connects electronic components and thus translates the electrical circuit diagram and its functions into hardware. It is thus increasingly becoming a strategically important component for the overall system itself.
Materially, the PCB is a very complex construct, manufactured by a multitude of sequential processes from a wide variety of materials, which must also be suitable for further processing and the intended application.
Understanding this helps in PCB design to be able to successfully implement the requirements from the functional specification in the design and the knowledge equally helps in communicating with the PCB manufacturer.

In past years, the greatest usability barrier was the preponderance of cool design. Most projects were ruled by usability opponents who preferred complexity over simplicity. As a result, billions of dollars were wasted on flashy designs that were difficult to use.

Too frequently, I hear about companies basing their designs on user input obtained through misguided methods. A typical example? Create a few alternative designs, show them to a group of users, and ask which one they prefer. Wrong. If the users have not actually tried to use the designs, they'll base their comments on surface features. Such input often contrasts strongly with feedback based on real use.

Reply all
Reply to author
Forward
0 new messages