Monday, February 14, 2011

Technology words

CPU central processing unit

ROM Permanent, non volatile, can’t be changed, Read only memory

RAM Constantly changing, volatile, can be changed, random acess memory

Hardrive Secondary storage, permanent storage

Outputs Laser printers, ink printers, ect..

GUIs are WIMPS

GUIs (graphical user interface)

WIMPs (windows, icons, menus, pointer)

Thursday, February 10, 2011

Exam Vocabulary

Exam vocabulary:

- Personal Computer = PC (desktop computer)
- Mainframe = The big computer used for bolk storage and proccesing.
- Palmtop = Mini laptop
- Personal Digital Assiastant = PDA (not a phone)


A Mainframe

Wednesday, February 9, 2011

Definitons of Hardware and Software

Hardware : The physical components of the system.
                 Eg. -Screen, Keyboard, mouse, ...etc.

Software : Set of commands that are processed for an output.
                 Eg. -Utility Software (used to change the system, like control panel or system preference)
                       -Application Software (Word)
                       -Operating System (the software written so that everything can use the machine)