Question

write a short note on printer​

Answer 1

Character Printer : It prints only one character at a time. It has relatively slower speed. Eg. Of them are Dot matrix printers.

Dot Matrix Printer : It prints characters as combination of dots. Dot matrix printers are the most popular among serial printers. These have a matrix of pins on the print head of the printer which form the character. The computer memory sends one character at a time to be printed by the printer. There is a carbon between the pins & the paper. The words get printed on the paper when the pin strikes the carbon. There are generally 24 pins.

Laser Printer is a type of printer that utilizes a laser beam to produce an image on a drum. The light of the laser alters the electrical charge on the drum wherever it hits. The drum is then rolled through a reservoir of toner, which is picked up by the charged portions of the drum. Finally, the toner is transferred to the paper through a combination of heat and pressure....

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Answer 2

              write a short note on printer​

A printer is a device that receives text and visual output from a computer and prints the data on paper, often on sheets of paper that are standard size, 8.5" by 11". The size, speed, sophistication, and price of printers vary.

Printers are output devices used to print documents from computers. They may print text and images on paper, which is referred to as "hard copy." Impact printers and non-impact printers can be distinguished based on the technology employed.

A printer is a machine that electronically transfers text and graphics from a computer to paper, often on a standard sheet of paper.

A printer is a tool that enables users to print anything on paper, such letters and images.

Johannes Gutenberg, inventor

When Johannes Gutenberg, a goldsmith and inventor, started experimenting with printing in Strasbourg, France, in 1440, he was a political exile from Mainz, Germany. He went back to Mainz a few years later, and by 1450, the Gutenberg press was a fully functional and ready-to-use printing device.

 Uses of Printer

• Print Text.
• Print Document File.
• Print Diagram & Pictures.
• Print Book.
• Print Story Book.
• Print Graphics & Banners.

Types of Printers

• Laser Printers.
• Solid Ink Printers.
• LED Printers.
• Business Inkjet Printers.
• Home Inkjet Printers.
• Multifunction Printers.
• Dot Matrix Printers.
• 3D Printers.