Flashcards
Operating systems
Cards in this deck (13)
- 1An operating system controls...The running of a computer
- 2An operating system can ___________ a programload and run
- 3It also maximised the use of memory also known as ...RAM
- 4It handles all the inputs and outputs from ..peripheral devices
- 5if ________ occur it deals with theminterrupts
- 63 ways it maintains the security of a systemcomputer usage logs
checks passwords and usernames
scheduled back ups - 7What happens in multi programming?When several programs are running the operating system switches jobs in and out of a processor eg- while one job is allocated printing time another will be processing memory
- 8A _______ is when programs or data are collected in a batch process and processed in one gobatch processing system
- 9Real life examples of batch process'payrolls, electricity bills, dailty transactions
- 10Multi tasking definitonIt allows programs to run concurrently, taking turns to use the resources of the computer
- 11Muilti accessthis allows several users to use a system at once on a LAN. A centeral processing unit can deal with the users in turn
- 12Real time processing is whena computer has to react within a real time eg in a flight simulator
- 13________ is where tasks require constant and continual informtation between the computer and user eg- atm machinesinteractive processing
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- gcse ICT Flashcards on Operating systems , created by Kathryn McMaster on 26/03/2015.
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- Kathryn McMaster
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