Commercial Data Processing is concerned with the large amount of data the companies need to store and process
We need it because of the
Large Volume of Documents
The high speed of processing required
The high speed of access required and
because it does repetitive tasks
Advantages are ...
Single Entry Multiple Use
Orders can be processed quicker than manually
it is easy to search, sort and update information
Computers have in built error checks to stop mistakes
3F 2010
Monday 16 January 2012
Tuesday 11 October 2011
Robots ...
5 parts of the Robot Arm
Waist
Shoulder
Elbow
Wrist
end effector (tool!)
Tools it uses
Spray Paint
Suction cup
welding bit
gripper
screw driver
Two types of Robot
Mobile - can move around
Three types of guidance for these
Magnetic - follows buried metal wires, if you want to change the layout you need to dig it all up
Laser -
Light - follows a painted white line by reflecting light - line could be affected by dirt etc!
Stationary - stay in the one place
Waist
Shoulder
Elbow
Wrist
end effector (tool!)
Tools it uses
Spray Paint
Suction cup
welding bit
gripper
screw driver
Two types of Robot
Mobile - can move around
Three types of guidance for these
Magnetic - follows buried metal wires, if you want to change the layout you need to dig it all up
Laser -
Light - follows a painted white line by reflecting light - line could be affected by dirt etc!
Stationary - stay in the one place
Monday 3 October 2011
Automated Systems
Automated Systems
What are Automated Systems
Humans provide the input
Machine/Robot/system carries out the process
Provides the output
Auto Sys in the home
* washing machine
* cameras
* sky +
* stereos
* microwaves
* dishwashers
* tumble dryers
Auto Sys in industry
* car manufacture
* coca cola factory
* irn bru factory
* tunnocks
* wool factory
Reasons why we use Auto Sys
* they are re-programmable
* faster than humans
* can work longer, 24/7
* do boring jobs
* more accurate than humans
* can do dangerous jobs
What are Automated Systems
Humans provide the input
Machine/Robot/system carries out the process
Provides the output
Auto Sys in the home
* washing machine
* cameras
* sky +
* stereos
* microwaves
* dishwashers
* tumble dryers
Auto Sys in industry
* car manufacture
* coca cola factory
* irn bru factory
* tunnocks
* wool factory
Reasons why we use Auto Sys
* they are re-programmable
* faster than humans
* can work longer, 24/7
* do boring jobs
* more accurate than humans
* can do dangerous jobs
Tuesday 30 August 2011
Databases
Searching!
Simple Search - search on one field
Complex Search - search on two or more fields
Simple Search
Simple search the forename field for "Brad" - finds everyone called Brad
Complex Search
Complex search on the forename field for "Reece" and the looks field for ">10" - would find Reece Mourning! : )
Simple Search - search on one field
Complex Search - search on two or more fields
Simple Search
Simple search the forename field for "Brad" - finds everyone called Brad
Complex Search
Complex search on the forename field for "Reece" and the looks field for ">10" - would find Reece Mourning! : )
Friday 26 August 2011
Databases!
There are three parts that make up a Database (Largest to Smallest they are ...)
Data File - the all the information, the whole database
Records - is all the information gathered on one person/subject
Fields - store one individual piece of information
Example Field Types
* Date/Time
* Numeric
* Text
* Graphic
Data File - the all the information, the whole database
Records - is all the information gathered on one person/subject
Fields - store one individual piece of information
Example Field Types
* Date/Time
* Numeric
* Text
* Graphic
Wednesday 1 June 2011
Graphics Stuff
Crop
- when you cut out a specific bit from the image, removing unwanted parts
Scale
- increasing or decreasing the size keeping it in proportion without removing any parts
Rotate
- turning an image by an angle
- when you cut out a specific bit from the image, removing unwanted parts
Scale
- increasing or decreasing the size keeping it in proportion without removing any parts
Rotate
- turning an image by an angle
Ware!!!!!!!!
The three categories of Software are ...
Freeware
+ Always Free
+ Can't sell it on to other people, but you can copy it and give to your pals
Examples Include - MSN Messenger, SKYPE, LimeWire, MS Paint, Windows MovieMaker
Shareware
+ Free Trial Period
+ Need to buy it after this period (money, no mario coins ...)
+ uninstall it if you don't need it after this time
Examples Include - Norton Anti-Virus, StopZilla (?),
Commercial Ware
+ You must buy from the beginning
Examples Include - Football Manager, FIFA, PES, COD, Microsoft Office, Windows XP (Operating Systems)
Freeware
+ Always Free
+ Can't sell it on to other people, but you can copy it and give to your pals
Examples Include - MSN Messenger, SKYPE, LimeWire, MS Paint, Windows MovieMaker
Shareware
+ Free Trial Period
+ Need to buy it after this period (money, no mario coins ...)
+ uninstall it if you don't need it after this time
Examples Include - Norton Anti-Virus, StopZilla (?),
Commercial Ware
+ You must buy from the beginning
Examples Include - Football Manager, FIFA, PES, COD, Microsoft Office, Windows XP (Operating Systems)
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