This produces information from data for use by the systems end-users
What is the aim of information systems?
100
A series of events that when performed together, complete some unit of work that is important to an organisation
What is a transaction?
100
A methodical and planned approach used to guide all the tasks and resources required to develop projects
What is project management?
100
Before two devices can be communicated, they must agree on a set of protocols.
What is handshaking
200
This is when no data is lost during transmission, where all original data remains. This reduces a file size by removing certain information and some original data is lost.
What is lossless and lossy compression?
200
They analyse data to gain knowledge and information
What is an end user?
200
Transferring funds from one financial institution to another
What is an example of a TPS?
200
Privacy and copyright, and confidentiality are
What are social and ethical issues?
200
Bits per second is a measurement of speed in communication.
What is baud rate and band width
300
Technical, operational, economic and schedule are sections of
What is a feasibility study?
300
Raw data organised by information systems
What is the contents of a database?
300
One is in instant transaction and the other is delayed transaction
What is real time and batch processing?
300
Developed when either an existing system no longer meets the needs of its users or new needs are identified that could be met by an information system
What is the purpose and development of new or existing information system?
300
One is a private network and the other is an extension of it and allows customers to use it.
What are ethernets and extranets.
400
These are decrease in privacy, de-skilling, loss of social contact and health and safety concerns.
What are effects of multimedia systems on the users and participants.
400
Information systems have tables that are linked or stand alone
What are relational and flatfile databases
400
Instant messengers, facebook, and ebay
What are example of transaction systems?
400
The following are stages of what
1. understanding the problem
2. planning
3. designing
4. implementing
5. testing, evaluating and maintaining
What is the SDLC?
400
This is the calculation of adding all bytes as if they were integers.
What is checksum.
500
They both have the same purpose, but the information is presented in different formats.
What is print and multimedia versions.
500
People who perform or initiate the information process
What is a participant?
500
A measure of how correct and accurately data reflects its source
What is data integrity?
500
Providing feedback and listening to a message being relayed is
What is active listening?
500
If the cable breaks then the whole network is disabled.