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30 Cards in this Set
- Front
- Back
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Software is divided into two categories,they are..
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-system software
-application software |
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What is application software used by the user to do?
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to carry out a specific task
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Name the types of system software.
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1.Operating system and control programmes
2.Translators 3.Utility programs |
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What does the operating system do?
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it deals specifically with the operations of the computer
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What are translators?
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Programs used to convert instructions typed into the computer into machine codes which the computer understands.
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Name some operating systems.
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Windows,Unix and Macos.
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Name one of the first operating systems and who created it.
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MS-DOS,Bill Gates
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What does DOS mean and who invented it and why?
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DOS-Disk Operating System
IBM invented it to power domestic computers. |
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Name two manufacturers of computers.
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IBM and Apple
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The Operating system is the _________ __________ that controls the entire operation of the computer.
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software program
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Name some features of Windows.
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1.Most popular operating system.2.1st windows version was3.1
3.multi-task operating system and multi-user operating system 4.supports graphic user interface and a menu driven interface. |
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What kind of interface does MS-DOS support?
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A command driven interface meaning you have to type in the necessary command.
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What is the main interfacing device?
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the keyboard
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Unix is a __________ operating system.Banks mainly use _________ computers while banks use _________
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mainframe,mainframe,mini.
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What does simmulate mean?
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to create an artificial environment that explains or describes a natural phenomenon.
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Multiprogramming,multiprocessing,Single user system,Multi access system,Time sharing and Real-time systems are all...
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operating modes
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Give some examples of types of minicomputers that have multiprogramming.
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PC's,Desktops,lab top,notebook,pocket computers,palm top,PDA's.
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What is the difference between a micro and a minicomputer?
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Is that microcomputers were created as a single user system while minicomputers are multi-user systems
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In supercomputers many processors are working at the same time and is the only computer that can...
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that can carry out two different tasks at the same time.
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___________ computers work from a _________ _________ and have different terminals.
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Mainframe,central point.
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A multiprocessing system is..
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one with two or more processors carrying out different task at the same time
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A computer that allows one user to operate one programme at a time in an interative conversational mode is called..
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a Single User system
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Multi Access Systems allow..
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Allows many users to access the system apparently at the same time.
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A time sharing system allows what and how does it do this?
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It allows the processor to shift access time from one user to another.It does this by allowing each user a time slice.
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What is a time slice?
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A brief period of time during which the processor and the other conversational devices become available.
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Give some examples of Multi Access Time Sharing.
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-allows the user to access a computer form a remote location
-provides multi access |
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Give a disadvantage of Multi Access Time Sharing.
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the more users connected to the system the slower it becomes.
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Name an operating mode that processes data so fast that the results are able to influence the same activity.
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Real-Time system
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What is key in the Real-Time system.
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speed
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Give an example of the Real-Time operating system and where it is used.
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Life support system used in hospitals.
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