What is line printer? Write its procedure. What is Line Printer? Write its working

to 3,000 lines per minute. Large tasks in minicomputers and mainframe computers

are used for. Following are the line printers-

A line printer is a type of impact printer that is used to print large volumes of text-based documents quickly and efficiently. It is commonly used in large organizations, such as government agencies and corporations, to print reports, invoices, and other types of documents.

 

A line printer is a type of impact printer that is used to print large volumes of text quickly. It prints one entire line of text at a time, as opposed to a character printer, which prints one character at a time. Line printers were commonly used in the past to print reports and other documents in a mainframe or minicomputer environment. They are now largely obsolete, replaced by faster and more versatile printers such as laser and inkjet printers.

(1) Drum Printer 

This printer has a fast rotating drum on which the characters are raised on the surface. There is a group of all letters on a band, many such centers (bands) are on them. Due to which characters can be printed at every position of the line on the paper. It spins fast and prints a line in one rotation. A high-speed hammer strikes the paper against the appropriate character of each band and a line is printed on completion of one rotation.

 This printer has a chain which rotates very fast. The chain consists of characters. Each link has a character font. Hanumers are engaged at each print position. Hummer hits the paper and character and gives one line up at a time.

 Band Printer Band printer works like a chain printer. In this, instead of chain, there is a print band of steel. The appropriate character to be printed by the force of the hammer gets stuck on the paper.

Answer- The output devices of the computer can usually present the results in the following two states-

(1) Hard Copy—(The output printed on a paper or microfilm is called Hard Copy. It is permanent. Mostly printers are used for hockey.

(2) Soft copy: When the result (output) obtained from the system unit (CPU) is displayed on the monitor, then this result is called soft copy. It is temporary.

 

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