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Laser printer
Laser Printers are also non-impact printers. These printers use
a laser beam to print on the paper. These printers are much
faster than inkjet printers and the print quality is superior.
However, these printers are expensive and are mainly used
in places where fine quality printing is required.
Laser printer
Plotters
Plotters are used to print good quality drawings. They are mainly used in desktop
publishing offices and by architects to print building construction plans. They are
just like printers but are much bigger in size. They are also expensive than printers.
The print quality of plotters is better than printers as they print in great details.
There are mainly two types of plotters: Drum Plotter and Flatbed Plotter.
Flatbed Plotter Drum Plotter
Speakers
Speakers are an output device that produce music, speech
or other sounds, from the computer. These are also used
for listening music and watching movies on a computer.
Speakers
MOTHERBOARD
The motherboard is sometimes called the system
board or main circuit board. Many electronic
components are attached to the motherboard
or are built into it.
The motherboard contains the connectors or slots
for attaching additional boards, CPU and memory.
Motherboard
COMPUTER MEMORY
When you were a child, you were taught about alphabet and numbers. Do you still
remember it? How? This is so because these were stored in your memory. Just like
human memory, computers also have memory to store all the data and instructions
for performing various tasks.
Fundamentals of a Computer 13

