ICT SYSTEM AND THEIR COMPONENTS AND DATA AND INFORMATION Flashcards
WHAT IS ICT
ICT IS THE USE OF TECHNOLOGY FOR THE INPUT, PROCESSING,TRANSFER OF DATA AND THE OUTPUT OF INFORMATION STANDS FOR INFORMATION AND COMMUNICATION TECHNOLOGY
WHAT IS A SYSTEM
A SYSTEM IS A SET OF THINGS WORKING TOGETHER AS PART OF A NETWORK.A NETWORK HAS THREE STAGES.INPUT PROCESS AND OUTPUT
EXPLAIN INPUT-PROCES-OUTPUT
DATA IS ENTERED VIA AN INPUT DEVICE
CALCULATIONS ARE PREFORMED ON THE DATA IN THE PROCESSING STAGE
THE RESULT OF THE PROCESSING ARE SENT TO AN OUTPUT DEVICE
WHAT IS AN ICT SYSTEM
ICT SYSTEM IS WHERE THE OUTPUT FROM THE SYSTEM GOES DIRECTLY TO A HUMAN BEING OR INTO ANOTHER ICT SYSTEM
COMPONENTS OF ICT
PEOPLE DATA PROCEDURES SOFTWARE HARDWARE INFORMATION
EXPLAIN PEOPLE
PEOPLE CONTROL THE FOLLOWING IN A ICT SYSTEM
TESTING THE SYSTEM
SALES-PROCESS THE SALES AND GOODS PROVIDE BY THE COMPANY
PURCHASING-PROCESS TRANSACTION INVOLVING THE SALES AND GOODS REQUIRED BY THE COMPANY
FINANCE-MANAGING THE FLOW OF MONEY IN AND OUT THE BUSINESS
OPERATION-CARRYING OUT THE MAIN BUSINESS OF THE ORGANISATION
INTERNAL AND EXTERNAL PERSONAL
WHAT IS DATA
DATA US RAW FACTS AND FIGURES OR A SET OF VALUES.IT HAS NO MEANING
WHAT IS PROCEDURES
A SERIES OF ACTION TO ACHIEVE A RESULT E.G SECURITY PROCEDURES
WHAT IS SOFTWARE
COMPUTER PROGRAMS THAT MAKE THE HARDWARE DO SOMETHING USEFUL
WHAT IS HARDWARE
PHYSICAL COMPONENTS OF AN ICT SYSTEM E.G MONITORS
WHAT IS INFORMATION
INFORMATION IS DATA THAT HAS BEEN PROCESS AND PUT INTO CONTEXT TO GIVE IT MEANING
TYPES OF DATA
ALPHANUMERIC
NUMBER
IMAGES
BOOLEEAN
WHAT IS PROCESSING
IT IS THE WORK THE COMPUTER DOES ON THE DATA TO CONVERT IT INTO INFORMATION
WHAT IS CODING DATA
CODING DATA IS REDUCING DATA ENTRY AND REDUCE THE NEED FOR STORAGE SPACE.HOWEVER YOU MAY LOSE PRECISION OF DATA
WHAT IS ENCODING
ENCODING IS USED BY COMPUTER TO CONVERT THE DATA IN MACHINE READABLE FOR E.G MP3 CONVERT BINARY TO AUDIO OUTPUT
