MSR Flashcards
what does MSR means?-long term/how does it work.
Magnetic ink reader
-can read data from the magnetic strip which can found at the back of the card.
the advantages of MSR
fast data entry compare to keyboard
-no typing-no security error
-wont be damage by water and robust if dropped
-easily updated
the disadvantages of MSR
-cant be used at a distant
-the strips could be scratched- unreadable
-misplaced or lost
MSR-used?
bank cards
hotel rooms/security
-gift cards(Vouchers)
What is Chip and pin?
-are used in pos to make a secure payment by using a credits card.
advantages of chip and pin?
-secure method of payment rather than swipe and contactless method
-less likely to be damage than magnetic swipe
the disadvantages of chip and pin
-it could be read by someone or used of mirror.
-Fraudulent machines can copy card details.
cc explanation
-are used by customers to pay for products at the
POS without the need to enter a PIN Number using RFID technology
advantages of cc.
Quicker Transaction
meaning less time spent
at POS.
* Don’t have to use PIN
* Transaction data
(account details) is
encrypted.
the disadvantages of cc.
Less secure than chip and
pin method.
* Anyone could use card
if lost.
* It is easer for thieves to
copy details of the card.
* Only small payments can
be made
RFID-meaning?
-RFID reads information stored on tags (small silicon chip that can be placed
on a sticker) using radio waves.
adv-RFID
Can read objects from a distance.
* Can read in bulk
* Very fast reading – quick response
* Allows read/write operations to
take place
* Can read biometric readings
dis-RFID
Radio symbols can be
jammed or hacked.
* More expensive than a
barcode
* Tags could interfere
with each other.
MICR-how does it work?/used?
-is able to read characters printed in a special ink
- process bank cheques
MICR ADV
No need to manually
enter text – less chance
of human error.
* Characters can not be
altered.
* Characters can be read
even if they have been
written over.
MICR-DISA
More expensive than
using a keyboard to
type manual data.
* Limited amount of
characters can be
read.
OMR-how does it work? used?
-is able to read marks written in pen and pencil.
-multiples choice exams/lottery ticket/surveys
adv of OMR?
Very fast method of
inputting data as no user
has to manually enter
results.
* More accurate than OCR
* Less chance of errors
dis of OMR?
Forms have to be
completed correctly to
avoid manual checks which
would waste time.
OCR?
scans text from hardcopies and converts it into an editable form which
can be used and edited in a range of software.
adv of OCR?
Faster method of data
entry compared to
manually typing the
data.
* Less chance of errors.
dis of OCR?
-less accurate than OMR.
-unable to read hand writing
how does barcode scanner works?
-are used to scan bar codes which contains unique information about a product including price.
adv of barcode scanner?
Far quicker and more
accurate than typing in
codes using a keypad.
* Stock database can
easily be updated with
new prices – barcodes
would not need to be
replaced.
dis of barcode scanner?
Barcode could be
unreadable or
missing.
* Barcode could be
swapped.
* Can be an expensive
system.
