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AS INFO 2 Revision Cards
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- 1What is ICT??ICT is the inputting of data, processing the data and the output of information
- 2What is an ICT system?An ICT system is a system that inputs data, processes the data and outputs the information to another system or a human-being.
- 3What are the 6 components of an ICT System?Information, Data
People, Procedures
Hardware, Software - 4What is data?Data is raw facts and figures that have no meaning.
- 5What are the 5 types of data?Text
Numbers
Audio
Still Images
Moving Images - 6What is Direct Data Capture?Direct Data Capture is how Data is Collected for Your Sole Purpose EG
- 7What is Indirect Data Capture?Indirect Data Capture is how Data is Captured for a Particular Reason but then the Data is used for something else. EG Using the Class Attendance to be used for the whole school
- 8What is Coding and what are the advantages?Coding is shortening the original data. EG used M and F for Male and Female.
The advantages is that it reduces storage space, it is easier to validate and also it reduces input meaning reducing the risk of RSI. - 9What is Encoding and what are the Advantages?Encoding is making data understandable to a computer so that it can be processed EG Binary Code
- 10What is Information?Information is Processed Data that has a Meaning to a Human-Being.
- 11What are the 6 Factors Effecting the Quality of Information?Accuracy, Relevance
Age, Complete
Presentation, Level of Detail - 12What are the 5 Characteristics of Users?Task to be Undertaken, Environment of Use
Age, Personal Characteristics
Experience - 13What are the 3 Types of Interfaces?Menu Based Interface
Command Line Interface
Graphical User Interface - 14What are the Advantages and Disadvantages of a Command Line Interface?Advantages- They can be easily used by experienced users and much less RAM is needed.
Disadvantages- It can be difficult to use if it has never been used before and exact commands have to be typed in or it won't work - 15What are the Advantages and Disadvantages of a Menu Based Interface?Advantages- They can be easy to use and no expertise is needed to use.
Disadvantages- It can be irritating if their are several menu's to get to the designated one and if the interface is poorly designed it may be slow to use. - 16What are the Advantages and Disadvantages of a Graphical User Interface?Advantages- This type of interface is easy to use and they allow you to exchange data between several applications
Disadvantages- The need of significantly more RAM and they can be slow for experienced users. - 17What are the Qualities of an ICT Professional?Good Written Communication Skills
Good Oral Communication Skills
Problem Solving Skills
Flexibility
Team Leader - 18What makes an Effective ICT Team?Good Communication
Team Leader
Allocation of Jobs
Monitoring - 19What are the 3 Types of Networks?Local Area Network- Local Geographical Area and uses phone lines and wifi for communication
Wide Area Network- Wide Geographical area and uses satellites for communication
Metropolitan Area Network - 20What is the Internet and the World Wide Web?The Internet is a Network of Networks that allows people to connect to each other.
The World Wide Web is a system of interlinked web browsers that can be accessed via the Internet - 21What is an Intranet and an Extranet?Intranet- A network within an organisation.
Extranet- Extension of an organisations intranet that can be used by people outside the organisation and can only be accessed via a Username and Password. - 22What are the Elements of a Network?Communication Devices E.G Router and HUB
Networking Software E.G Utility Software
Data Transfer Media E.G Fibre Optic Cabling and WIFI - 23What is Privacy and Security?Privacy is keeping data confidential.
Security is a measure adopted to reduce the risk of a threat and safe. - 24What are the Internal and External threats of an ICT system?Internal are threats within an organisation E.G Staff incorrectly input data or use virus'
External are threats outside an organisation E.G Hackers - 25What is a Crime and what is Malpractice?A crime is breaking the law and is punishable by the law
Malpractice is breaking a Code of Conduct of an organisation. - 26What are the Methods used to protect all parts of an ICT system against a threat?Hardware Measures E.G Key Pads and locking systems down
Software Measures E.G Anti- Virus Software and Firewalls
Procedures- Updates of passwords. - 27What are the types of Legislation used in ICT?Data Protection Act
Computer Misuse Act
Copyright, Designs and Patent Act - 28What is Backup and what is Recovery?Backup is a copy of the data on a system that is stored externally
Recovery is the act of regaining something that has been lost. - 29What are the 4 Questions to ask when Backing up Data?When the Data will be Backed up?
What Data is being Backed up?
How the Data will be Backed up?
What Storage Device will be used? - 30What is Continuity of Service?Continuity of Service is a Backup Plan so that an organisation can keep running.
- 31What 5 things can ICT provide?Vast Storage Space
Fast Repetitive Processing
Improved Presentation of Information
Improved Accessibility to Information
Improved Security of Data and Processes - 32What are the 3 types of Processing?Batch Processing is used with no human intervention and is done with things that have similar charcteristics EG Pay Slips
Transaction Processing is an immediate process and a process can only be done after the first has been completed EG ATM
Interactive Processing is an immediate response EG Video Games. - 33What are the factors effecting ICT?Cultural, Economic
Environmental, Ethical
Legal, Social
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- Fichas sobre AS INFO 2 Revision Cards, creado por s.jowatt el 06/06/2014.
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