2. An Input Device is an peripheral piece of
computer hardware equipment which
provides the data and control the signals to
the information processing system and input
devices is the makeup of computer
hardware.
On the other words we can say that the
device which enter the data and instruction
in the computer call “INPUT DEVICE”.
3. We have a lot of input devices but the context of
input devices which I have is …
KEYBOARD
POINTING DEVICES
SCANNING
AUDIO INPUT DEVICES
WEB CAM
4. Keyboard is the
traditional input
device.
It is use to enter
data in the
computer.
According to
Billgates: Keyboard
are an Antiquated
entry it must be
Replaced
5. Keyboard is most popular used INPUT
DEVICES and it has 101 keys called QWERTY
KEYS are in the following Categories.
ALPHA NUMERIC KEYS
NUMERIC KEYS
FUNCTIONS KEYS
CUSSOR MOVEMENT KEYS
6. Is a combination
of alphabetic and
numeric keys.
It includes back
space and caps
lock converts
letters capital to
small and small to
capital.
9. In many programs
there is a blinking
mark on the screen
where you press.
The key will display
particular character
this mark called
CUSSOR
10. A DEVICE which you control movement of
pointer to select Items on the display and
simple we can say that Pointing Devices
runs with the movement of hands .
TYPES OF POINTING DEVICES
Like Mouse , Track Ball , Joy stick, Light
pen
11. Mouse is the
primary input device
but lack of the
ability to easily
transmit textual
information into the
computer known as
Pointing device.
12. A Track balls is also
a pointing device it
look like up-side
down mouse t
The function of
track balls same as
like mouse.
It has on the tap
which roll with the
finger to move
pointer on the
screen.
13. Joy stick is the
hand-held stick .
It is used to move
objects and pointer
on the screen.
Keyboard used for
the same purpose
but joy stick
controls pointer
better then
keyboard.
14. Light pen is also a
pointing device and it
work like mouse and
it mostly use for
engineering , design
and architect.
15. SCANNER used to convert computer
information into printed information.
TYPES OF SCANNER
Some most common types of scanner are;
HAND HELD SCANNER
FLET –BED SCANNER
SHEET BED SCANNER
16. A scanner that is
held in the hand
and across the
image to be scanned
termed as hand held
scanner.
It is less expensive
and small in size.
17. This type of scanner
has flat piece of glass
the .
The advantage of flat-
bed scanner is that one
problem with the hand
held scanner keeping.
Scanner steady is
eliminated is flat-bed
scanner so we can say
that it is the advanced
form and hand held
scanner.
18. It is different from
flat-bed scanner .
Sheet-bed in which
the paper is laid on
the sheet of glass
and scanner head
moves it can’t be
scan pages and
pages posted on
items.
19. Audio input devices allow to user to send
signals to the computer for processing or
carrying outcomes.
Rarely output devices are also like input
devices storage device ,CD-Ram .
TYPES OF AUDIO INPUT DEVICES
DIGITAL CAMERA
WEB CAMERA
20. The photography
can be exactly taken
in the digital camera
as you would in
traditional camera
but in digital camera
we can delete it
unsatisfied picture
and it is portable
also and we take
video with the sound
and we watch
pictures and videos
on LCD.
21. It is similar to video
camera but instead are
connected with the
computer and it has no
storage capability and it
is importable because it
attaches with the
computer or laptop for
video conferencing and
video cheating purpose.
