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Mapa Mental
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Ryan Turner
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AS - Level ICT (Unit 1) Mapa Mental sobre Input devices, criado por Ryan Turner em 28-03-2016.
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akashreddy200896
over 8 years ago
AWESOME!! VERY USE FULL
AWESOME!! VERY USE FULL
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Ryan Turner
almost 9 years ago
(c)
(c)
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Ryan Turner
almost 9 years ago
10 out of 10 would bang
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Shavings
almost 9 years ago
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mind_map
2016-05-15T00:31:39Z
Input devices
Keyboard
Ergonomic keyboard is a
keyboard made with a
natural layout to stop
strain on the wrists
whilst typing
A keypad is built into a device
which makes it easier for the
user as it isnt physical but
rather a built in feature.
A concept keyboard is a
touchscreen keyboard
where the keys are
made to do specific
fucntions. They can also
be programmed to have
images as keys.
Mouse types
Mechanical mouse is
most durable as it
can be used on any
surface due to its
rubber ball however
it needs more
maintenance
Optical mouse is the
best quality due to its
high senstivity and
precision however it
wont work on shiny
surfaces
Trackpads are built
onto computers
which is easier as
it doesn't have to
be externally bought
however if it
breaks the user
loses the whole
device.
Trackpoint is built onto
devices and is smaller
than other types of
mouse.
Touch screen devices
Touch screens are
commonly used in
public places due to
there conveniance
and ease for the
user.
Touch screens help people
do their jobs in quicker time
as it could help process or
access numerous elements
easier.
Can also be used
for security e.g.
fingerprint and
signature
recognition.
Tablets and whiteboards
Graphics tablet
allows the user to
draw and design
animations due to
it recognising
shapes.
Also helps people
learning languages as it
recognises the styles
of the other languages.
Whiteboards are useful
for interacting with a lot
of people within one
room. It needs a speaker
and a monitor to function.
Automated input- Card Readers
A smart card is
a plastic card
with a built in
microprocessor
and is used for
financial
transactions.
It has an embedded
microcontroller which keeps
the transaction safe due
to the tamper resistance
as it uses encryption to
secure the data.
If the
magnetic tape
gets
damaged it
cannot work
and they're
difficult to get
replaced.
Scanners
Flatbed scanner is
the most common
as it prints at high
quality and is easy
to use. It scans with
a laser and collects
the image with the
reflection from this.
Handheld is
more portable
than flatbed
and scans
different size
documents.
Sheetfeed is
used to scan
loose sheets
of paper
A drum
scanner is
the highest
resolution
scanner
A barcode scanner
is used in
supermarkets for
items and scan
specifically barcodes
ofitems then it runs
through a stock
database
OMR and OCR
Optical mark
recognition processes
human marked data
and is primarily for
things such as quizes
or surveys
Optical character recogniton is a
technology that copies numerous
documents from paper forms to
online documents. This is usually
converted to pdf and it can
thousands of copies at any one
time.
Magnetic Ink
character
recognition is
primarily used
between financial
transactions of
cheques.
Sound and video input
Needs primarily two
features both a MIDI
cable and a
microphone
Resolution is
measured in pixels
and the more
resolution in a
document the
higher storage it
takes.
A sample is a digital input
sound in a computer.Sample
rate is the number of times
per second that a sound is
recorded.
Video Conferencing
Audio and video data is collected
and sent to another compuer
allowing face to face
communication over a webcam
live.
This keeps the file size
down as it allows the user
to not store the
information as it keeps
passing between
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