What is a Printer? Types of Impact and Non Impact Printers

What is a Printer :- 

• The printer is a most commonly used output device.
• It is used to producing the hard copy output.
• It prints characters, symbols & graphics on the paper.
• Printer can be categorised according to the technology used in printer, speed, and approach of printing, colours, language & the quality of printing.

Mainly printer can be classified in two types:

1. Impact printer
2. Non impact printer

1. Impact printer :- 

• It works on the same mechanism of type-writer.
• It forms a character or image by striking mechanism such as hammer or wheel against to ink ribbon, leaving an image on paper.
• It is oldest technology and still is in used.
• It can capable to print single character or line at the same time.
• Commonly types of impact printers are dot matrix, daisy wheel, chain, drumprinter.

CHARACTERISTICS OF IMPACT PRINTER:

• Physical contact with paper to produce output.
• Low cost
• Very noisy
• Very slow in printing
• Low quality print out
• Stand with dusty or extreme environment

2. Non impact printer :- 

• Non impact printer forms characters & images on paper without actually strikingthe paper.
• Paper & print head come in contact & hence the text or image is formed.
• Ink jet & laser printer are example of non impact printer.

CHARACTERISTICS OF NON IMPACT PRINTER

• Faster than impact printer.
• Ability to change type face automatically.
• High quality output.
• Support transparency.
• More expensive than impact printer.
• Less maintenance than impact printer.

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Q : The main system board of the computer is called ____.
(A) Motherboard
(B) Processor
(C) Microchip
(D) None of these

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(A) Circuit board
(B) CPU
(C) Memory
(D) Network card

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Answer ⇒ { B }

 
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(A) RAM
(B) ROM
(C) CPU
(D) CD-ROM

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Answer ⇒ { B }

 
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(A) New Tree File system
(B) New Technology file system
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(D) Both B and C

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Answer ⇒ { B }

 
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(A) Processing chip
(B) printer
(C) mouse
(D) Java

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Answer ⇒ { B }

 
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(A) storage device
(B) processing device
(C) input device
(D) output device

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Answer ⇒ { D }

 
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(A) TCP
(B) ARP
(C) ICMP
(D) BootP
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Answer ⇒ { C }

 
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(A) Gateway
(B) Router
(C) Modem
(D) Repeater
(E) Resonator

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Answer ⇒ { D }

 
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(A) program
(B) command
(C) user response
(D) processor
(E) None of these

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Answer ⇒ { A }

 
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(A) Configuration
(B) Accessibility
(C) Authentication
(D) logging in
(E) None of these
Answer ⇒ ??