Subject: THE INFORMATION PROCESSING CYCLE Sun Apr 01, 2012 3:03 pm
THE CENTRAL PROCESSING UNIT the brain of the computer[processor] All processing activities are done in here. [like editing a letter and others.... ]
this is the cycle.... [img] [/img]
1.INPUT any data or instructions that we enter into the computer system for processing.[ENTER] Ways to input data into the system: • typing on a keyboard • pointing with a mouse
CPU accept data translate it :arrow:readable information. (decode)
2.PROCESS controls all activities within the system.[machine cycle] [PERFORM] performing operations on the data.
3.STORAGE a location which data, instruction and information are held for future use.[STORE] holds databases, files and programs.
4.OUTPUT data that has been processed into a useful form, called information.[PRESENT] 4 types: text, audio,video,graphics output devices present the processed data useful information for user.