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A laser printer is a popular type of computer printer that uses a non-impact photocopier technology where there are no keys striking the paper.

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Laser printers provide quality printing with sharp images and consistent black tones. They have become widely used for printing of reports and letters and for desktop publishing.

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Laser printers :Advantages and Disadvantages

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Laser printers :Advantages and Disadvantages

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Plotters are used for all kinds of construction and MCAD applications, including technical drawings, maps, orthophotos, and renders.                 

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A CRT on a television set is commonly called a picture tube. CRTs have also been used as memory devices, in which case the screen is not intended to be visible to an observer.

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They are Quiet cheaper than other monitors like LCD, LED.

These CRT monitors are quite responsive.

They are faster as they respond almost instantly average time interaction is less than 1 picosecond.

CRT monitors do not have native display resolution.

CRT monitors look equally good, particularly at any resolution.

They generally produce a dark black and heavy contrast level which is good in viewing in a dark environment.

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They are Quiet massive in size and need more space for installation.

CRT monitors emit heat and consume more energy than other monitors like LCD, LED.

They do not work with full potential while playing with graphics and resolutions.

They are less attractive while compared to LCD and LED monitors.

They produce more magnetic fields, therefore, can damage other magnetic devices.

The shapes of CRT Monitors are cylindrical, spherical, or rounded.

They are not as bright as LCD monitors.

Less accurate colors  (especially dark hues).

Small max display size (43″)

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Dhanya
Gatika
Esha
Anvi K

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Three types of plotters are most popular for their ability to allow you to create different designs. This group includes the drum plotter, the flatbed plotter, and the inkjet plotter. Each of these types of plotters has a different specific use, therefore, you must make your choice very carefully.

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1. The main advantage you gain by using a plotter is that it allows you to work on large sheets of paper, while still providing exceptional quality resolution. The plotter can also print different materials, and therefore provides you with more options in printing.
2. The biggest attributes of the plotter include speed, accuracy, reproducibility, and efficiency, while in some plotters you have the option of saving different templates and patterns to get rid of the hassle of loading templates and patterns repeatedly. It can easily draw a single pattern over a 1000 times with no degradation.

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1. The plotter also has quite a lot of disadvantages, but in the long run, the positives outshine the negatives of this printing machine. If you don’t have the necessary space to work, and you don’t have the time to find a good location for your plotter, then you will have some issues. This is because this machines will take more space than regular printers, and you also must consider that plotters are more expensive than printers on the market.

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Speakers work by converting electrical energy into mechanical energy (motion). The mechanical energy compresses air and converts the motion into sound energy or sound pressure level (SPL). When an electric current is sent through a coil of wire, it induces a magnetic field.

Advantages

Everyone in the room can hear the output from the computer.

They can help create an atmosphere or ambiance to accompany a presentation.

Disadvantages

Loud sound can irritate people.

Can produce noise pollution.

By: Akshit and Anvi D

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3D printing or additive manufacturing is the construction of a three-dimensional object from a CAD model or a digital 3D model. It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, with material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.

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3D printing is used to manufacture moulds for making jewelry, and even the jewelry itself. 3D printing is becoming popular in the customisable gifts industry, with products such as personalized models of art and dolls, in many shapes: in metal or plastic, or as consumable art, such as 3D printed chocolate.

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Inkjet Printer - By Yuvakshi, Reyna, and Shravani

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Inkjet Printer - By Yuvakshi, Reyna, and Shravani

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What is an inkjet printer?
An inkjet printer is an object that attaches wirelessly or by cable to a computer.  At home, it can receive documents or images from the computer and prints on bond paper or high-quality photo paper.

What is the use of it?
Inkjet printer is used in home and small office to perform for printing text due to their high contrast and speed.
Here are the most common uses of inkjet printers;

Prints documents and photos

Prints on a variety of different paper types.

Prints quickly and easily.

Advantages and Disadvantages

Advantages:
1. low cost
2. High quality of output, capable of printing fine and Smooth details
3. Capable of printing in vivid colors. Good for printing pictures.
Disadvantages:
1. Print head is less durable, prone to clogging and damage.
2. Expensive replacement ink.
3. Not good for high volume printing.

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3D Printers are useful. Make this the most liked post :)

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1. Flexible Design

3D printing allows for the design and print of more complex designs than traditional manufacturing processes. More traditional processes have design restrictions which no longer apply with the use of 3D printing.

2. Rapid Prototyping

3D printing can manufacture parts within hours, which speeds up the prototyping process. This allows for each stage to complete faster. When compared to machining prototypes, 3D printing is inexpensive and quicker at creating parts as the part can be finished in hours, allowing for each design modification to be completed at a much more efficient rate.

3. Print on Demand

Print on demand is another advantage as it doesn’t need a lot of space to stock inventory, unlike traditional manufacturing processes. This saves space and costs as there is no need to print in bulk unless required.

The 3D design files are all stored in a virtual library as they are printed using a 3D model as either a CAD or STL file, this means they can be located and printed when needed. Edits to designs can be made at very low costs by editing individual files without wastage of out of date inventory and investing in tools.

4. Strong and Lightweight Parts

The main 3D printing material used is plastic, although some metals can also be used for 3D printing. However, plastics offer advantages as they are lighter than their metal equivalents. This is particularly important in industries such as automotive and aerospace where light-weighting is an issue and can deliver greater fuel efficiency.

Also, parts can be created from tailored materials to provide specific properties such as heat resistance, higher strength or water repellency.

5. Fast Design and Production

Depending on a part’s design and complexity, 3D printing can print objects within hours, which is much faster than moulded or machined parts. It is not only the manufacture of the part that can offer time savings through 3D printing but also the design process can be very quick by creating STL or CAD files ready to be printed.

6. Minimising Waste

The production of parts only requires the materials needed for the part itself, with little or no wastage as compared to alternative methods which are cut from large chunks of non-recyclable materials. Not only does the process save on resources but it also reduces the cost of the materials being used.

7. Cost Effective

As a single step manufacturing process, 3D printing saves time and therefore costs associated with using different machines for manufacture. 3D printers can also be set up and left to get on with the job, meaning that there is no need for operators to be present the entire time. As mentioned above, this manufacturing process can also reduce costs on materials as it only uses the amount of material required for the part itself, with little or no wastage. While 3D printing equipment can be expensive to buy, you can even avoid this cost by outsourcing your project to a 3D printing service company.

8. Ease of Access

3D printers are becoming more and more accessible with more local service providers offering outsourcing services for manufacturing work. This saves time and doesn’t require expensive transport costs compared to more traditional manufacturing processes produced abroad in countries such as China.

9. Environmentally Friendly

As this technology reduces the amount of material wastage used this process is inherently environmentally friendly. However, the environmental benefits are extended when you consider factors such as improved fuel efficiency from using lightweight 3D printed parts.

10. Advanced Healthcare

3D printing is being used in the medical sector to help save lives by printing organs for the human body such as livers, kidneys and hearts. Further advances and uses are being developed in the healthcare sector providing some of the biggest advances from using the technology.