1.1 During the second half of the 20th century, businesses,
organisations and the government began using computers
to store information about their customers, clients and staff
in databases. The data protection act is not onlyused in
schools it is also used in other work places such as
hospitals and offices
1.4 contact information
1.5 employment history
1.6 medical conditions
1.8 credit history
2 Input devices
2.1.1 Sensors are often used as part of a feedback
cycle. They collect data continuously and are
typically linked to a control program that
specifies acceptable levels, eg the minimum
and maximum temperature in a green house.
The control program decides what to do next
based on the data it's fed by the sensors.
2.2.1 Barcodes are represented by black vertical
bars and are read by a barcode reader.
Barcodes are printed on nearly every
product you buy, each product has a unique
code. When read, information stored in the
shop's database is recalled, such as the
product name and price. This information
later appears on your receipt. The scanning
process also assists in stock management,
reducing the stock by one each time a
product is scanned/sold.
2.3 magnetic stripe
2.3.1 Magnetic stripes are built into many plastic cards such
as debit or credit cards and personal identity cards.
The magnetic strip on the back of the card can hold the
personal details of the card owner and, with the
necessary PIN, will allow access to secure
information, eg bank account details. Data stored on
the strip is scanned and input into a computer system
by a magnetic stripe reader.
3.1 RANDOM ACCESS MEMORY
4.1 VOICE OVER
4.3 video confrencing
5 file types
5.1.1 potable network graphics
5.2.1 joint photgraphic experts
6.1 Information Management System
6.1.1 the Information Management System (IMS) is a joint ranked database and Information Management System
withe extensive transaction processing capabilities.
7 always write full versions of things such as information management system
8 automatic updates and backups
8.1 schools use automatic backups so they do not have to go do it
manually every day and also so they can keep pupils information safe
and if they are wanting to keep the actual backup servers safe from
fires and burglary's there are two things they need to do and they are
keep them above ground level and also keep them in a locked room
away from all pupils