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30 Cards in this Set

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