2. What is a Software?
-programs running on your computer that you cannot see
or touch
Integrated: many applications in one box such as MS
Office
Bespoke: specially made software just for you; expensive
and takes long to make, but does exactly what you want
General Purpose: also known as "Off the shelf" this is
bought from a store and is well tested, cheap and widely
available
3. 3 Types
- System software/operating system
- Application software
- Utility software
4. Operating System
- handles the everyday running of your
computer
- all computer must have an OS to work
- SINGLE: for one user
- MULTI-USER: for many users
5. Operating System Cont.
- deals with security
- decides where to store files
- allocates memory
- deals with printing
Ex. Windows 7, Windows XP, Apple OS LION
6. Application Software
- produce something
- Bespoke
- specialist
- off the shelf
- General Purpose
Ex. Word- a letter, Excel- spreadsheet,
Photoshop- photo editing
7. Utility software
- help the user control the computer
Ex. file formatting, anti-virus, disk repair
8. Drivers
- software that gives the computer
instructions on how to use the hardware
- make the hardware work
- always need updating
9. Cookies
- give Web developers the ability to save user
information
- most cookies are set once and then go away
when you turn off your browser
- persistent cookie: set once and remains on
your hard drive until either your space for
cookies is full or the time on it expires
