Flashcards
1.2 System Software (SW)
Flashcards do conjunto (14)
- 1What are the purposes of an Operating System (OS)?Manage resources (Memory, Processing and storage)
Manage SW and HW, Security and Error messages, Provides User Interface - 2What are the features of Batch Processing?Prepare or group Data to be processed and make a Batch.
Process this batch at time when processing power is available and human intervention is not required. - 3When might Batch Processing be used?Processing of
Bank Cheques
Calculating & Producing Utility Bills
Running Payroll - 4What is Real Time processing?A continuous cycle of input-processing-output
Processing can affect the next input - 5When might Real Time processing be used?Chemical Operations
Experiments
Flight control - 6What is Pseudo-Real-Time Processing?When the processing is still very fast and fits a continuous cycle but not as fast as genuine real-time processing
- 7When might Pseudo-Real-Time Processing be used?On-line order of tickets (airlines, hotels etc.)
Chemical Plants
Robotics in warehouses or on a production line - 8What does Single User mean?There can be many users but ONLY ONE user at any ONE Time. (Family PC)
- 9What does Multi-User mean?Usually a powerful computer supporting several terminals and PCs. Allows many users at the same time.
Processor time is shared
(time-share or Round Robin) - 10What does Multi-tasking mean?An operating system which allows for several applications to be open at the same time. (They only appear to be running simultaneously. The OS switches between tasks quickly.)
- 11What is a Computer Network?Two or more computers connected to share resources and to communicate with eachother.
- 12What features does a Network OS have?Control of access to network (Domain Control)
File Management and serving
Management of applications
Management of shared peripherals - 13What is an HCI?Human Computer Interface
GUI - Graphical User Interface
CLI - Command Line Interface
Forms based interface - Websites
Menu based - Information terminals (tourism), ATM machines
etc.
Natural Language based - hands free operation - 14What is Utility SW?Programs to carry out specific tasks necessary to the operation of the computer. (Virus Checking, Disk Formatting etc.)
Informações
- Descrição
- FlashCards sobre 1.2 System Software (SW), criado por messagekm em 12-03-2014.
- Criado por
- messagekm · mar 2014
- Atualizado
- 19 fev 2016
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- 28
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