AS Level AQA ICT Chapter 4 - Software
- Created by: AnnaCharlotte97
- Created on: 09-03-14 12:11
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- Software Definitions
- Main Definitions
- Integrated Software
- This is an applications package consisting of several different applications. Microsoft Office is an example of an integrated package.
- Generic Software
- This is an applications software that is appropriate for a wide range of tasks and can be used in lots of areas of work.
- Specific Software
- This is software that performs one particular task e.g. payroll, stock control, etc.
- Operating Software
- Operating systems software is the software that controls the hardware and is used to run the applications software. Operating systems control the handling of input, output, etc.
- Bespoke Software
- This is software that is specifically written for a particular business or organisation
- Applications Software
- Applications software is software designed to carry out a particular task. E.g. word processing, spreadsheets, databases.
- Macro
- A macro is a series of commands and instructions that you can group together as a single command to be used to complete a task automatically.
- Untitled
- Integrated Software
- Database
- Types
- Relational
- Data is stored in several files or tables that are linked together through primary keys. A primary key provides a unique identifier for each record.
- Flat file
- A flat file database is a single file or table that stores data records arranged in fields.
- Relational
- Field
- A single piece of data about an individual or object
- E.g. a surname would be a field in a database about customers.
- A single piece of data about an individual or object
- Record
- A record is a set of data relating to an individual or object
- E.g. all the information about one customer.
- A record is a set of data relating to an individual or object
- Criteria
- Criteria are used to define database queries.
- Entity
- An entity is a person or a thing about which data is held on a database.
- Types
- Graphics
- Vector Graphics
- Vector graphics are graphics that store the set of instructions for drawing the object. They are used in CAD packages. They take less storage than bitmapped images.
- CAD - Computer Aided Design
- Vector graphics are graphics that store the set of instructions for drawing the object. They are used in CAD packages. They take less storage than bitmapped images.
- Bitmapped Graphics
- A picture that is represented using a code that indicates the state of each individual dot or pixel displayed on the screen.
- They are difficult to edit, and use much storage as each pixel is individually stored.
- Vector graphics are graphics that store the set of instructions for drawing the object. They are used in CAD packages. They take less storage than bitmapped images.
- CAD - Computer Aided Design
- Vector graphics are graphics that store the set of instructions for drawing the object. They are used in CAD packages. They take less storage than bitmapped images.
- Multimedia
- Multimedia is the combined use of text, pictures, moving images and sound.
- Interactive
- Where there is a dialogue between the user and the computer.
- Vector Graphics
- Websites
- HTML
- Hypertext Markup Language is the language in which web pages are written.
- RSS
- Really Simple Syndication is a format for syndicating content such as podcasts to lots of people who subscribe to receive it.
- If you have RSS-aware software on your computer, it can check for changes and allow you to see the new content as soon as it is published.
- Blog
- A website providing commentary, personal thoughts on a particular subject.
- It is written in chronological order and can include text, images and links to other blogs and websites.
- Podcast
- A podcast is an audio or video file that is created in a format which is distrusted over the internet and can be read on a computer or by portable devices.
- HTML
- Main Definitions
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