computer timeline
Mainframe
- They are large and powerful
-They can carry out many tasks for different people at the same time
- They are slower than a supercomputer
- They are less expensive than a supercomputer
- Mainframes can get through billions of instructions per second
- Can processes large amounts of data
they are used by electricity suppliers
-Banks
-Insurance company
-Air lines
-Police
They need to be operated by specialist
- They are large and powerful
-They can carry out many tasks for different people at the same time
- They are slower than a supercomputer
- They are less expensive than a supercomputer
- Mainframes can get through billions of instructions per second
- Can processes large amounts of data
they are used by electricity suppliers
-Banks
-Insurance company
-Air lines
-Police
They need to be operated by specialist
Desktop
- PCs are very powerful and quite expensive
-Anyone can use them
-PCs can carry out millions of calculations per second
-They can store large amounts of data
-They are meant to stay in one place and not to be moved around like a phone
They are used for creating and playing music
- running office applications
- PCs are very powerful and quite expensive
-Anyone can use them
-PCs can carry out millions of calculations per second
-They can store large amounts of data
-They are meant to stay in one place and not to be moved around like a phone
They are used for creating and playing music
- running office applications
Laptop
- laptops can be carried around
-Has a smaller keyboard
-Smaller screen
-Button instead of a mouse
-Laptops can be folded away and easily packed away
-Laptops have powerful battery inside
-They can be use anywhere
-All the software you get in a computer you will also get in a laptop
-It can also be connected to the internet via wi-fi 3G or physical network connection
-When you carry them around to long it will start to feel quite heavy
- The battery life can be an issue it will have to be charged regularly
-some people will find it difficult to type on the keyboard as the sizes are different to computers
- laptops can be carried around
-Has a smaller keyboard
-Smaller screen
-Button instead of a mouse
-Laptops can be folded away and easily packed away
-Laptops have powerful battery inside
-They can be use anywhere
-All the software you get in a computer you will also get in a laptop
-It can also be connected to the internet via wi-fi 3G or physical network connection
-When you carry them around to long it will start to feel quite heavy
- The battery life can be an issue it will have to be charged regularly
-some people will find it difficult to type on the keyboard as the sizes are different to computers
Notebook
- Are much smaller in size and weight than a laptop
-They still have the same size keyboard
-They are small enough to carry in one hand
-They use flash memory
-They don't have much storage capacity
-They have less RAM than a laptop
-They may be slower at processing data
- Are much smaller in size and weight than a laptop
-They still have the same size keyboard
-They are small enough to carry in one hand
-They use flash memory
-They don't have much storage capacity
-They have less RAM than a laptop
-They may be slower at processing data
P D A
- Smaller than a laptop
-do not use a keyboard
-touch screen
- helps with keeping track of meetings
-can connect to Bluetooth or wi-fi
- Smaller than a laptop
-do not use a keyboard
-touch screen
- helps with keeping track of meetings
-can connect to Bluetooth or wi-fi
Smartphone
- extra sensors
-it can measure angles tilt and orientation
-they also contain GPS to pick up your exact location
-they have touch screen
-if you want to do something with your smartphone there is normally an app for it
- extra sensors
-it can measure angles tilt and orientation
-they also contain GPS to pick up your exact location
-they have touch screen
-if you want to do something with your smartphone there is normally an app for it