what d is raw, unprocessed facts and figures collected, stored and processed by computers
TRANSCRIPT
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WHAT D IS RAW, UNPROCESSED FACTS AND FIGURES COLLECTED, STORED AND PROCESSED BY COMPUTERS.
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DATA
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WHAT I IS PROCESSED DATA WITH STRUCTURE OR MEANING AND IS USEFUL TO HUMANS
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INFORMATION
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WHAT L IS A DATA TYPE THAT IS A REFERENCE TO A FILE
LOCATED OUTSIDE THE DATABASE.
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LINK
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WHAT E REPRESENTS A PERSON OR OBJECT
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ENTITY
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WHAT PK IS THE FIELD THAT UNIQUELY
IDENTIFIES ONE RECORD FROM ALL OTHER
RECORDS IN A DATABASE
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PRIMARY KEY
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WHAT FK IS A FIELD WHICH IS A PRIMARY KEY IN
ANOTHER TABLE
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FOREIGN KEY
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WHAT B IS A DATA TYPE IN A FIELD WHICH ONLY HAS
TWO STATES EITHER YES/NO OR TRUE/FALSE
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BOOLEAN
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WHAT RC IS A VALIDATION CHECK THAT CAN BE
PERFORMED ON DATA WHERE YOU ARE ASKED TO CHOOSE FROM A LIST
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RESTRICTED CHOICE
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WHAT I IS A DATA TYPE WHICH IS A WHOLE
NUMBER
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INTEGER
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WHAT RC IS A VALIDATION CHECK THAT CAN BE
PERFORMED ON DATA USUALLY BETWEEN TWO
LIMITS EG 1-100
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RANGE CHECK
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WHAT R IS A DATA TYPE WHICH GIVES YOU A
FLOATING POINT NUMBER e.g. 13, 3.14.
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REAL
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WHAT V IS TO MAKE SURE THE DATE IS CORRECT
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VERIFIY
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WHAT H IS A TYPE OF FILING SYSTEM THAT
LOOKS SIMILAR TO THE DIAGRAM BELOW
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HIERARCHICAL
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WHAT M IS A TYPE OF DATABASE THAT CONTAINS
TEXT, SOUND, VIDEO, ANIMATION AND GRAPHICS
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MULTIMEDIA
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WHAT H IS AN OFFENCE UNDER THE COMPUTER
MISUSE ACT
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HACKING
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WHAT DD IS OFTEN USED TO RECORD INFORMATION ABOUT
TABLES AND FIELDS. THIS ALLOWS THE DATABASE TO BE
IMPLEMENTED USING ANY DATABASE MANAGEMENT
SYSTEM
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DATA DICTIONARY
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WHAT S ALLOWS YOU TO PUT DATA INTO A
PARTICULAR ORDER EITHER ASCENDING OR
DESCENDING
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SORT
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WHAT S ALLOWS YOU TO FIND CERTAIN RECORDS IN
A DATABASE BY SELECTING THE CRITERIA
TO LOOK FOR
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SEARCH
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WHAT CMA IS A LAW WHICH ALLOWS COMPUTER CRIMINALS LIKE THE
CREATORS OF VIRUSES TO BE PROSECUTED
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COMPUTER MISUSE ACT
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WHAT C IS A FIELD IN A DATABASE THAT CAN
PERFORM CALCULATIONS BASED ON OTHER FIELDS
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COMPUTED OR CALCULATED FIELD