Monitor - A computer
monitor is an electronic device that shows pictures. Monitors often
look similar to televisions. Monitors often have higher display
resolution than televisions. A high display resolution makes it
easier to see smaller letters and fine graphics.
Keyboard - A computer
keyboard is an input device that allows a person to enter symbols
like letters and numbers into a computer. It is the main input
device for most computers. A keyboard is most commonly attached to a
computer via USB port.
Mouse - A computer mouse is
an input device that is most often used with a personal computer.
Moving a mouse along a flat surface can move the on-screen cursor to
different items on the screen. Items can be moved or selected by
pressing the mouse buttons called clicking.
Central Processing Unit (CPU)
- A Central Processing Unit (CPU) is an important part of almost
every computer. The CPU sends signals to control the other parts of
the computer. It is called as a brain of computer.
Printer - A printer is a
piece of hardware for a computer. It allows a user to print items on
paper, such as letters and pictures. Mostly a printer prints under
the control of a computer. Inkjet printers, Laser printers,
Dot-matrix printers are common computer printers.
CD & DVD Drive - CD &
DVD Drive is a disk drive that uses laser light or electro magnetic
waves within or near the visible light spectrum as part of the
process of reading or writing data to or from optical discs. Some
drives can only read from certain discs, but recent drives can both
read and record, also called burners or writers. CD's, DVD's and
Blu-ray discs are common types of optical media which can be read
and recorded by such drives.
Webcam - A webcam is a
video camera that connects to a computer, and can let people see
each other over the Internet. Most people that have webcams use them
with an instant messenger to see each other at the same time.
Webcams can also be used for recording videos.
Headphones - Headphones are
electronic audio devices that people wear over their ears.
Headphones come in many different sizes from big to small.
Headphones typically uses small plug for connection. There is a risk
of hearing loss if listening to headphones with a high volume for a
long time.
Router - A router is a
computer whose software and hardware are customised to move data
between computer networks. They are responsible for making sure
traffic between computers gets where it needs to go. They do this by
choosing the shortest path between the computers using a complicated
system of rules called Routing Protocols.
Modem – A modem is a
piece of computer hardware. It is used to communicate between
distant computers. Two modems, one on each computer, are required to
make a connection, and each modem can send and receive data to and
from the other modem. Many modems are used to connect to the
Internet through telephone service or cable television service.
Computer Speakers -
Computer speakers are speakers external to a computer. Speakers
contain amplifiers which vibrate to produce the sound. They come in
many different forms. Some speakers are already attached to a
computer. Some speakers are wireless. They work by Bluetooth.
Laptop - A laptop is a
computer which is easy to carry around. Its user can fold the laptop
along its hinge for carrying. The laptop was created mainly for this
particular reason. Computer parts were scaled to smaller size so
this could happen.
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