1717611
Descripción
Fichas por Molly Hills, actualizado hace más de 1 año
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Creado por Molly Hills
hace casi 10 años
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| Pregunta | Respuesta |
| What is Custom Written Software? | Developed to fit the Clients needs and wants No part of the software that isn't needed Suits Clients working methods More expensive |
| Definition of Custom Written Software | Often created for very specialized tasks, when a generic, off the shelf, solution does not already exist |
| What does a Knowledge Based System contain? | A Knowledge base- the store of the systems information A Rules Base- Rules applied to Knowledge Base Inference Engine- contains algorithms that are applied to Rules Base HCI- through the user can ask question and receive answers |
| What is a Batch Operating System? | Run in single sessions at regular intervals after all data has been input Processed the same way No Human intervention needed Can be done in machines downtime |
| What is Real time operating System? | Data is processed immediately e.g. Flight booking system online & Hotel room booking |
| What is a single user operating system? | Only one person is allowed to log in at once (windows) |
| What is a Multi-User operating system? | Several terminals from one central computer Users have different permissions e.g. Supermarket Checkout |
| What is a Multi-Tasking System? | Can run more than one application at once Slice of processor time allocated to each thing e.g. Windows- Revising and listening to Music |
| What is a Distributed System? | User profiles taken from a central server On logging off the users profile is saved e.g. School Network |
| What is a Utility? | system software used to perform standard operations, as sorting data or copying data from one file to another, for application programs or other system software. |
| What does Compression Software do? | Reduces File Size Zipped folders can contain more than one file Useful for video, audio and images On Email can be sent easier? |
| What is a Hardware Driver? | Provides a connection between operating system and new hardware. e.g. if you get a new printer |
| What does a Anti- Virus Software do? | Regularly scans system for threats Can delete viruses and send virus details to developer |
| What does a File Handler do? | Manage or organise data storage Allows files to be deleted or accessed Passwords can be used for protection |
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