Printers
Printers are the most commonly used and popular output devices.
They provide information in a permanent readable from. They produce
printed output of results, programs and data. Prints text or image on
paper called hard copy. The printing speed of a printer is measured in
pages per minute (ppm).Printer resolution is often measured in dots
per inch (dpi).
Types of Printers
Printers are classified into two categories according to printing
technology ( working):
1. Impact printer
2. Non -Impact Printer
, 1. IMPACT PRINTER
Impact printers these Printers use an Electro-mechanical mechanism.
An impact printer refers to all those printers whose printing heads
touch the paper. His mechanism uses hammers or pins to strike
against a ribbon and paper to print the text or image.
Types of Impact Printers
Impact printers are of two Types:
A) Character Printer
B) Line Printer
A) CHARACTER PRINTER
A Character printer prints a single character at a time. They are low
Printers are the most commonly used and popular output devices.
They provide information in a permanent readable from. They produce
printed output of results, programs and data. Prints text or image on
paper called hard copy. The printing speed of a printer is measured in
pages per minute (ppm).Printer resolution is often measured in dots
per inch (dpi).
Types of Printers
Printers are classified into two categories according to printing
technology ( working):
1. Impact printer
2. Non -Impact Printer
, 1. IMPACT PRINTER
Impact printers these Printers use an Electro-mechanical mechanism.
An impact printer refers to all those printers whose printing heads
touch the paper. His mechanism uses hammers or pins to strike
against a ribbon and paper to print the text or image.
Types of Impact Printers
Impact printers are of two Types:
A) Character Printer
B) Line Printer
A) CHARACTER PRINTER
A Character printer prints a single character at a time. They are low