What is a Solid-State Drive (SSD)?

The new generation of storage units used in computers is a solid-state drive (SSD). By using flash-based memory, which is considerably faster, SSDs replace conventional mechanical hard disks. Older systems for hard disk storage run slower, which also makes the machine run slower than it should. Thanks to their low read-access times and high throughputs, SSDs considerably speed up computers.

Why You Should Really Buy a Laptop With an SSD?

You're not going to own a brand new vehicle with a Ford Model T engine. Then why would you integrate a laptop that uses an older style hard drive into the knowledge superhighway? If you want a fast, sensitive notebook, why don't you need a solid-state drive? (SSD).

The disk drive of a laptop is infinitely more critical than other elements, including its CPU, RAM, and graphics chip, when it comes to overall performance. Your processor is clicking its fingers waiting for data to load from the disk while you boot the device, launch programs, and turn between tasks. Your OS and applications use virtual memory (also known as swap files) in the background, even though you don't access files, move data, or start apps.

 

SSD in laptop

Hard-disk drives use a spindle with a technology that dates back to the 1950s that flies over a spinning magnetic platter grabbing data like an old-school record-player needle drawing sound from a vinyl LP.

Here's why you need an SSD or let's say some benefits of SSD on laptops.

 

Performance Improvements

Because there are no moving parts in a solid-state drive, it is able to read and write data exponentially faster than a hard drive. When you boot your laptop or open a program, the real-world difference is more apparent.
 

Timing for opening apps

It almost goes without mentioning that, with an SSD, copying files is exponentially easier. Models with SSDs copied files at an average rate of 237.8 megabytes per second from laptops, whereas those with hard drives averaged just 33.9 MBps

Durability and Life of the Battery

SSDs, since they don't have to control any moving components, often consume less power than hard drives. In the Laptop Battery Survey, which includes continuous browsing over Wi-Fi, the average SSD-enabled laptop was benchmarked, it lasted 7 hours and 9 minutes. The average time for hard drive-powered laptops was just 5 hours and 43 minutes.

 

Storage

SSD-containing laptops typically have just 128 GB or 256 GB of capacity, which is adequate for all your programs and a reasonable amount of knowledge. Users that have loads of challenging games or large libraries of media, though, may want to save any files in the cloud or install an external hard drive. Many gaming and workstation-class laptops, having a fast SSD and a spacious hard drive, offer the best of both worlds.

A minor hassle may be the lack of storage, but the increase in speed is worth the trade-off. 256GB is a lot more affordable than 128GB if you can possibly handle it.

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We’ll cover how infrared thermometers work, different types of IR thermometers, their pros and cons, and usage tips. Infrared thermometers are used in different industries and work environments to determine the temperature of objects from a distance. The distance can range from an inch to miles. 

How Infrared Thermometers Works

Infrared radiation is a type of energy that is invisible to human eyes but we can feel it as heat. If you take a look at the electromagnetic spectrum, the infrared band sits just outside the range of the visible light. All objects having a higher temperature than absolute Zero emit infrared radiation. The hotter the object, the higher the frequency of the infrared radiation. Infrared temperature sensing devices detect the infrared radiation frequency and convert that into a temperature reading. Infrared radiation is one type that occurs within the electromagnetic spectrum; other types include visible light, x-rays, and microwaves.

The infrared thermometer uses a sensor called a thermopile which turns the incoming infrared radiation into heat using tiny thermocouples. The thermocouples convert that heat into an electrical signal which is measured and displayed on the screen in the form of the temperature reading. While Infrared Thermometer is a reliable and cost-effective way to get a non-contact temperature reading, it can only read the temperature for a single point. If you need a measurement for a larger area, you'll have to take multiple temperature readings.

Thermal Imaging Camera uses a focal plane array sensor. A typical Thermal Imaging sensor has pixel dimensions of 640 x 480 and each pixel acting as a sensing element, this gives you over 300k individual points on each thermal image or video. This creates a supercool thermal image from the infrared spectrum. And because of this advanced optics Thermal Imaging Cameras can detect temperature accurately for much greater distances.

Uses of Infrared Thermometers 

Infrared Thermometers are widely used by different industries such as Automotive, Food, Energy and Medical. In medical this time widely used to measure the body temperature for fever of person by a medical professional. 

How to Use an Infrared Thermometer

It's very easy; you only need to fix the batteries in their compartment and activate the desired temperature unit (Celsius or Fahrenheit).

Turn on the device by pressing the power button and aim the gun to the surface you want to measure the temperature.

Be sure to stand close to the object or within the DS ratio indicated by the manufacturer for accurate readings.

Pull the trigger to observe the reading on the digital display on the thermometer.

Types of Infrared Thermometers

Modern infrared thermometers mimic the same concept, but numerous advances in technology have introduced sophisticated devices to widen the scope of their applications. As such, detectors are designed to match specific applications to improve performance.

There are three types of infrared temperature measurement devices that are widely available today:

Infrared scanning systems: the devices scan larger areas and are used in manufacturing processes that involve conveyors, e.g., when continuous piles of objects move along a large sheet of metal from an oven.

Spot infrared thermometer: these kinds display the temperature on a particular spot on a surface., sometimes referred to as Infrared Gun.

Infrared thermal imaging cameras: these kinds use cameras to measure the temperature at different points over a larger area to create two-dimensional images called thermograms. The technology applied to the devices is more hardware and software-intensive compared to regular infrared thermometers.

Before buying Infrared Thermometers you need to know

Emissivity: It refers to the efficiency with which an object absorbs or emits infrared energy. The values range from 0.0 to 1.0. Objects that have an emissive value of 1.0 are called perfect emitters as they radiate 100% energy. An efficient infrared thermometer should factor in this feature based on the type of object in question because various surfaces emit radiation differently.

Accuracy and Speed: Effective IR thermometers deliver temperatures fast and accurately. Advanced versions factor is adjustable emissivity for more accurate readings. Experts allow a +1% margin of error when using professional IR thermometers and +2% for less expensive devices.

Temperature Range: The primary factor here is whether the thermometer is used for professional or home-based applications. For regular use, e.g., around the house, a temperature range of (-58 to 1022 degrees Fahrenheit or -50 to 550 degrees Celsius) is ideal. 

DS Ratio: The distance to spot ratio affects the accuracy of the readings from the thermometer. The rate is determined by the size of the area being measured in relation to the distance. For example, if an object has a D/S ratio of 10:1 and it is 5 inches in size, the maximum distance the thermometer can accurately measure the temperature is within 50 inches. Distances larger than that range will be inaccurate as the IR thermometer will include the temperature of the surrounding objects and surfaces.

Warranty: A warranty is a good indication of a high-quality IR thermometer. The period can range from 90 days to 5 years based on the manufacturer.

So if you just need to do some non-contact temperature spot-checking for daily use Infrared Thermometer is good but if you really want to look at the bigger picture for better temperature profile of employees and visitors for offices/corporate/factories/hotels/hospitals/restaurants then a Thermal Imaging Camera offer robust sensing imaging.

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Parental controls are features or apps that allow you to watch and limit what your child(not necessarily) does online. There is a wide range of services that do such things as restrict and monitor websites and links, track their actions, limit their time online, and view their browsing history and correspondence. While the capabilities of parental control applications vary, others will monitor keystrokes, take screenshots of what they're doing, log conversations on multiple pages or websites, and monitor where they're doing by offering information on the location of a desktop, mobile phone, or another computer.

 

Parental Controls are used to restrict access to the network. You can limit the access other members of your family have.   For example, you may discourage younger members of your family from visiting sites that you do not believe to be fitting.

Why do I need parental control?

• Parental controls help track the children's gadgets

• Parental controls help you to monitor what your children find in search engines.

• Parental controls will block those aspects of games that your children can play.

• Parental controls can help allow you to monitor the location of your children

• Parental controls help to develop healthy cybersecurity habits

• Parental controls can set time limits for the screen

• Parental controls can help to protect an online reputation.

• Parental controls can help to back up the data

• Parental controls can teach cyber labels

One of the best ways to set up parental controls is to make them work on your router. Your router serves as a choke point in which all traffic on the Internet passes across your network. Creating parent controls here will enable you to conduct web filtering for all devices on your network—computers, smartphones, tablets, and even game consoles with built-in browsers.

 

Few routers are delivered with designed parental controls. If your router has this function, it will always be seen in the box and will usually be clarified in the manual. You should go to the web-based configuration sites of the router and set up parental controls for your system.

Many routers may not have parental controls, but you can use OpenDNS to set up parental controls on any router.

 

Furthermore, Some of the popular parental control software available include:

 

● Net Nanny (www.netnanny.com)

● Safe Eyes (www.internetsafety.com/safe-eyes-parental-control-software.php)

● CYBERsitter (www.cybersitter.com)

● WebWatcher (www.webwatcher.com)

● MMGuardian (www.mmguardian.com)

 

Although respect for privacy is essential, it should not be at the detriment of your child's welfare. Let them know that by encouraging them to have their own email address, phone, or another gadget, you reserve the right to verify how it is being used. It doesn't actually mean you don't trust them, but you want to make sure they're safe because there are weird and scary people out there that might do harm to them. In doing so, parental monitoring apps may be helpful to keep an eye on your kid when you're not personally there to track what they're doing online and who they're doing.

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Increasingly, high-end smartphones sport blazing-fast 90Hz and even 120Hz refresh rate screens. On paper, this looks amazing. It's yet another way in which smartphones strive to separate themselves from each other. But can you purchase a phone because of this new trend in display technology? It depends frankly.

The advantages of phones with a high refresh rate and even how they function are rarely well known. Although games and content can look much better, it depends a lot on the customer and the smartphone whether it's worth the extra battery usage. With all that insight, here's what you need to learn about refresh rates.

 

What is Refresh Rate?

The refresh rate is a measure of the number of times a screen redraws an image. In basic terms, a higher refresh rate means less motion blur and a much smoother picture of the picture. Most smartphones today are packed, regardless of the price, with 60Hz displays. It is measured in Hertz. A 60Hz screen refreshes 60 times per second, 90Hz is 90 times per second, and 120Hz is 120 times per second. So a screen of 120 Hz refreshes twice as fast as a screen of 60 Hz, and 4x faster than an old 30 Hz Television.

The screens aren't static. On the screen of your phone, text and motion look seamless since each pixel changes to show the new content from the processor of your smartphone. But this doesn't happen spontaneously. At frequent intervals, known as the refresh rate, panels change their content.

Faster upgrade times often result in lower lag, as the pixels are updated more regularly. For comparison, a 60Hz screen takes 16.6 ms to completely refresh, 11.1ms for 90Hz, and only 8.3ms for a 120Hz rate. The refresh rate is not the only component in the latency of the round-trip display, but it is the main contributor.

Not all 120Hz smartphone displays are produced in the same way, which is why

Your smartphone's screen doesn't refresh all at once per period though. Instead, before the entire monitor changes at the appropriate rate, each horizontal row of pixels refreshes in turn. When you record a screen in slow motion, you can see this in effect and it's the reason why screens flicker if you view them through the viewfinder of your mobile camera. In other words, the display is continually updated and loading, but it takes time for one full update to complete the loop.

 

Should I get a phone with a high refresh rate?

In modern smartphones, especially in the premium market, 90Hz and 120Hz displays are increasingly popular. In inexpensive mid-tier handsets as well, the role is also increasingly available.

That being said, a small part of the display specs of a smartphone is the refresh rate. It's obviously not a big enough attribute to focus the whole purchase on. Ultimately, factors such as color gamut, contrast, white temperature, and resolution have an equally significant effect on the screen output of your phone.

 

If you still have your heart fixed on a higher refresh rate, here are only a couple of the best 90Hz or 120Hz displays for rocking phones:

Samsung Galaxy S20 5G – 120Hz display

OnePlus 7T – 90Hz display

Realme X50 Pro 5G – 90Hz display

Asus ROG Phone 2 – 120Hz display

Google Pixel 4 XL – 90Hz display

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