Types of printers in USA

What are the printers?

The printer is an online output device that prints the information obtained from the computer on paper. This copy of the output is called a hard copy of the paper. The output of the computer is very fast. And the printer does not work so fast, so it was felt that the information can be stored in the printer itself, hence a memory in the printer (Memory) from where it prints the results gradually.

The printer is an Output Device that converts soft copy into hard copy.

Types of Printer (Types of Printer)

Printing Method: - The method of printing in printing is a very important factor; the printing method is two types of Impact Printing and Non-Impact Printing.

Impact printing

Impact printers are printers that leave their impact, such as typewriter printing, are similar to Typewriter, in which metal has a hammer or a print head. Which hits the paper and the ribbon? In the Impact printing letters or characters emerge on paper by the Solid Font or Dot Matrix method there are many methods of Impact Printer. Like-

Dot Matrix Printer

Daisy Wheel Printer

Line printer

Chain Printer

Drum Printer

Dot Matrix Printer

This is an Impact Printer so it makes a lot of noise while printing. The print head of this printer has a matrix of multiple pins and the ribbon of each pin and A dot is printed on the paper by touching multiple dots together by creating a character (Character) in print head, the horizontal group of 7, 9, 14, 18 or 24 pins ) Happens at one time out of a column pine print head Printed Dotes, from which a character is created in several steps, and the print head moves in the direction of the line The printing speed of the Dot Matrix Printer is 30 to 600 characters per second. (CPS-Character Per Second) are Dot Matrix Printer, which is not prefixed currency letters (Font) so they can print different shape-types and characters of Character Graphics etc. W Create a character with the help of a print head, which gets the code as the code (0 and 1) in the print head. The electronic circuit is present in the print head, which is characterized by the decode The print quality of this printer is not good.

Daisy Wheel Printer

This Impact Printer with Solid Font is named Daisy Wheel because its print head comes from a flower daisy Wheel Printer ) Is a slow printer but its clarity of output is high so it is used to print letters and it is called Letter Quality Printer in its print head. A wheel or a wheel, in which every single character in the Spoke has a solid font emerging, moves in the horizontal direction of the wavy paper, and the spoke wheel of the printable character Comes from the print position of a small Hammer Spoke on the Ribbon (Ribbon) and the paper so that the letters are printed on paper, such printers are now in very little use.

Line Printer

It is also an Impact Printer. For large computers, high-speed printers are required. High-speed printers can print one line at a time, instead of printing one character at a time. The speeds are 300 to 3000 lines per minute; these printers are used for large works in the mini and mainframe computers. There are three types of line printers.

Drum Printer

Chain Printer

Band Printer

Drum Printer

Drum Printer has a drifting fast drum that has a set of letters on the surface of the band, on the band, a set of all the letters are set; Characters can be printed in each position of the line on the paper, the drum rotates rapidly and a line in a rotation is printed. A fast speed hammer tuck against the paper on the appropriate character of each band.

And when a rotation is complete a line is split.

Chain Printer

This printer has a fast rotating chain which is called the print chain, the characters are printed in the chain. Each character has a font of a character in every print position. Hammer is mounted on which Hammer collides on paper and prints one line at a time.

Band Printer

This printer works similar to the Chain Printer, in place of the Chain, there is a print band of steel, in this printer also Hammer prints one line at a time.

BAD PRINT

Non-Impact Printing

Non-Impact Printing does not have a contact between print head or paper, in which technology is provided by lager printing, so its quality is high Non-Impact Printer There are many methods like-

Laser Printer

Photo Printer

Inkjet Printer

Portable Printer

Multi Functional Printer

Thermal Printer

Laser printer

Laser printers are non-impact page printers. Laser printers are being used in computer systems since the 1970s before they were used in the mainframe computer. The value of laser printers in the 1980s was approximately $ 3000. Are popular because they are able to print text and graphics relatively high and high-quality Most Laser Printed has an additional micro Processor Ram and Rom are used. This printer also prints the paper through dots, but these dots are very small. Due to being nearby, there is a very clear print. The cartridge is used in this printer, in which the inside of the Ink Powder is filled. The method of working of laser printers was originally like a photocopier machine. But in photocopy Laser Printer in Sheen uses Laser Printer) Printing ranges from 300 to 600 DPI (Dot Per Inch) or more colors Color Laser Printer gives high-quality colorful output, it has a special toner. The printers which are available in different colors are very expensive because their printing speed is high and it can print out the output on a plastic seat or another seat. 

Domestic stock markets gave up initial gains in a choppy session on Tuesday, continuing to decline a day after benchmark indices slumped more than 1 per cent tracking global equities on rising cases of COVID-19 in Europe and the US. The S&P BSE Sensex index fell 123.96 points to hit 40,021.54 on the downside, reversing direction following a mildly positive start. The broader NSE Nifty 50 benchmark moved in a range of 78.85 points, between 11,736.80 and 11,815.65.At least seven people were killed and 70 others injured, including children, in a blast at a seminary in capital city Peshawar of Pakistan's northwest Khyber Pakhtunkhwa province on Tuesday, local media reported.

Those injured have been rushed to a nearby hospital and are being provided with immediate medical attention. The death toll is expected to rise as several of the wounded and hospital authorities feared the death toll could climb further.

Seven dead bodies and 70 injured - including children - have been brought to the facility, the Dawn quoted Lady Reading Hospital spokesperson Mohammad Asim as saying.

The police and rescue teams have reached the crime scene and launched the rescue operation.

The bombing happened while a cleric was delivering a lecture about the teachings of Islam at the main hall of the Jamia Zubairia madrassa, said police officer Waqar Azim. He further said that initial investigations suggest the bomb went off minutes after someone left a bag at the madrassa.

The Khyber Pakhtunkhwa province has been the scene of such militant attacks in recent years, but sectarian violence has also killed or wounded people at mosques or seminaries across Pakistan.
At 9:29 am, the Sensex traded at 40,029.44, down 116.06 points - or 0.29 per cent - from its previous close, and the Nifty was down 28.65 points - or 0.24 per cent - at 11,739.10.

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Equities in other Asian markets moved lower as soaring coronavirus cases around the world and slow progress on a US stimulus deal hammered investor sentiment and took a toll on Wall Street.

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