Tuesday 30 August 2011

GPPS!

Gpp - General Purpose Package

General purpose because you can do more than one task with it (type letters, make charts, create posters ....)

* Spreadsheets
* Desktop Publishing (DTP)
* Presentation
* Databases
* Graphics
* Word Processing

WIMP (is the interface we use!)
- Windows
- Icons
- Menus
- Pointer


HCI

Human Computer Interface, how you communicate with the computer to give instructions and recieve information

Monday 29 August 2011

Ma Shpellin iz rubbesh!

How does a Word Document become so well spelled!?

Spell Check!

*It checks each word with a dictionary (it's own built in dictionary)

* puts a red line under words it thinks are spelled incorrectly

* You can ignore it, add this word to the dictionary, change it to a word from the options given

:( - it's not great with peoples names (msotly surnames!)

Thursday 25 August 2011

Two Types of memory access ...

Sequential Access

* Sequential you cannot skip, must go through every memory location in turn to get to the one you need
* magnetic tape (My britney spears tape!)

Direct/Random Access
* you can skip directly to the location you reqiure
* CDs, external hard drives

Tuesday 23 August 2011

The 5 box Processor Diagram



THE PROCESSOR
* The Brain of the Computer System

BACKING STORAGE DEVICES
* Floppy Disk
* USB pen drive
* External Hard Drive
* DVD

INPUT DEVICES
* mouse
* keyboard
* touch screen monitor
* scanner

OUTPUT DEVICES
* speakers
* printer
* projector
* monitor

MAIN MEMORY
* Random access memory - RAM - deleted when the power is turned off (TEMPORARY)
* Read Only memory - ROM - permanent

Tuesday 16 August 2011

Welcome to 3H 2011 Blog

Hello 3H! Looking forward to two years of hard work at standard grade with you guys!

Post a comment on here for your first piece of homework!