658837
ICT
Revision
- Data Protection Act
- 8 Principles: Data should....
- Be Fairly and lawfully processed
- Be Processed for limited purposes
- Be adequate, relevant and not excessive
- Be accurate and up to date
- Be kept for a limited time
- Be Processed in your line of rights
- Be securely held
- Not to be transferred to other countries outside
the E.U. that do not have adequate data
protection
- Be Fairly and lawfully processed
- Basic Info
- Doesn't protect personal data but
does protect the rights of the
owners of the personal data
- If the data hasn't been complied with the 8 principles, the owner
of the data has the right to complain and claim compensation
- Doesn't protect personal data but
does protect the rights of the
owners of the personal data
- 8 Principles: Data should....
- Bar-Codes
- Advantages
- Cheap to Use
for products
- Automatically updates the
stores database when the
product@s barcode is
scanned
- Cheap to Use
for products
- Disadvantages
- The code can break and become
faulty, causing the computer to
read the code wrong or not at all
- The barcodes may become
corrupt and have to be entered in
manually, wasting time
- The barcode doesn't
hold a lot of information
about the product
- The barcode has to
be manually scanned
to update the
database/system
- The code can break and become
faulty, causing the computer to
read the code wrong or not at all
- How it Works
- 12 numbers in the barcode
- 1st number-Product Type
- 2nd-6th number-Manufacturer code
- 7th-11th number- Product Code
- 12th number- Check Digit
- 1st number-Product Type
- Has a quiet zone to determine the
speed of the scan
- Each section of 7 bars/gaps represents a number
- The scanner reads the code,
converts it into a number and
retrieves the information linked
to that number
- 12 numbers in the barcode
- Advantages
- RFID Tags
- Advantages
- Can be read from up to 100ft
- Carries more information than a bar code
- Transfers data faster than a barcode
- Automatically updates the
system/database without the need of
manually scanning it
- Can be read from up to 100ft
- Disadvantages
- More expensive
to use than a
barcode
- More expensive
to use than a
barcode
- How it Works
- 3 main parts
- Antenna
- Transponder
- Receiver
- Antenna
- The scanner reads the
signals emitted from the
RFID Tag
- Data is transmitted along these signals
- Data is transmitted along these signals
- 3 main parts
- Radio Frequency
Identification Tags
- Advantages
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