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OCR IT LO1, OCR IT LO2, OCR IT LO3, OCR IT LO4, Cambridge Nationals - Information Technologies Questions & Answers Solved 100% Correct!!$12.99
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Definition 1 of 151
1. large amounts of data can be found using a rnge of data stores.
2. searches can be made to find the specific data required
3. Time does not need to be wasted collecting new data
4. data can be shared by teams doing the same task
5. data stores can interact to share data
benefits of using big data
weaknesses of using project management software
Examples of planning tools
data dictionary - database
Definition 2 of 151
is a collection of computer software designed to enable access to a computer or areas of its
software where you normally won't be allowed and other it masks their existence (can't track it's
there).
Virus
Worm
Spyware
Rootkit
,Definition 3 of 151
a program designed to breach the security of a computer system while ostensibly performing
some innocuous function.
Worm
Virus
Spyware
Trojan Horse
Term 4 of 151
Stages of the project life cycle
The repeating of a phase
Flowchart, mind map , task list
Any combination of letters, symbols, spaces, numbers
Initiation, planning, execution, evaluation
Term 5 of 151
prevention methods to keep data safe
2 types:
physical
logical
new things that are coming out.
1. questionnaires
2. sensors
3. consumer panels
4.loyalty schemes
5. statistical reports
6. secondary research methods e.g. a book
any number, with or without a decimal
,Definition 6 of 151
contains all the information about the structure of the database and includes:
tables and their names
fields and their names
format and data types
relationships between tables
validation rules
primary and other keys
any other information needed to describe the database
a data subject
data types: date and time
data dictionary - database
types of data to be used in testing
Definition 7 of 151
shows data in the format of money
Data Types - Currency
Types of data to be used in testing
Data recovery
Iteration
, Definition 8 of 151
1. questionnaires
2. sensors
3. consumer panels
4.loyalty schemes
5. statistical reports
6. secondary research methods e.g. a book
Methods used to collect data
physical storage devices
Internet of Things (IoT)
strong password
Definition 9 of 151
Law making sure that employees have a safe working
Health and Safety at Work Act
Data Protection Act
Initiation Phase
Authentication
Term 10 of 151
SWOT analysis
signs, worries, objectives, techniques
initiation, planning, execution, evaluation
strengths, worth, options, timing
strengths, weaknesses, opportunities, threats
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