AS INFO 2 Revision Cards

Descripción

Fichas sobre AS INFO 2 Revision Cards, creado por s.jowatt el 06/06/2014.
s.jowatt
Fichas por s.jowatt, actualizado hace más de 1 año
s.jowatt
Creado por s.jowatt hace más de 10 años
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Resumen del Recurso

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What is ICT?? ICT is the inputting of data, processing the data and the output of information
What 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.
What are the 6 components of an ICT System? Information, Data People, Procedures Hardware, Software
What is data? Data is raw facts and figures that have no meaning.
What are the 5 types of data? Text Numbers Audio Still Images Moving Images
What is Direct Data Capture? Direct Data Capture is how Data is Collected for Your Sole Purpose EG
What 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
What 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.
What is Encoding and what are the Advantages? Encoding is making data understandable to a computer so that it can be processed EG Binary Code
What is Information? Information is Processed Data that has a Meaning to a Human-Being.
What are the 6 Factors Effecting the Quality of Information? Accuracy, Relevance Age, Complete Presentation, Level of Detail
What are the 5 Characteristics of Users? Task to be Undertaken, Environment of Use Age, Personal Characteristics Experience
What are the 3 Types of Interfaces? Menu Based Interface Command Line Interface Graphical User Interface
What 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
What 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.
What 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.
What are the Qualities of an ICT Professional? Good Written Communication Skills Good Oral Communication Skills Problem Solving Skills Flexibility Team Leader
What makes an Effective ICT Team? Good Communication Team Leader Allocation of Jobs Monitoring
What 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
What 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
What 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.
What 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
What is Privacy and Security? Privacy is keeping data confidential. Security is a measure adopted to reduce the risk of a threat and safe.
What 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
What 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.
What 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.
What are the types of Legislation used in ICT? Data Protection Act Computer Misuse Act Copyright, Designs and Patent Act
What 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.
What 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?
What is Continuity of Service? Continuity of Service is a Backup Plan so that an organisation can keep running.
What 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
What 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.
What are the factors effecting ICT? Cultural, Economic Environmental, Ethical Legal, Social
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