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SYSTEM SOFTWARE (TYPES OF SYSTEM SOFTWARE (DEVICE DRIVERS (How it works ?,…
SYSTEM SOFTWARE
TYPES OF SYSTEM SOFTWARE
OS
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Types of OS
Real time OS, Single user, Multitasking OS, Multiuser
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MOBILE OPERATING SYSTEM
OS on mobile devices and many consumer electronics Include : Calendar, sms, email, digital camera etc.
Popular Mobile Operating System which is Android OS, Bada, Balckberry, Iphone OS etc
DEVICE DRIVERS
A small piece of software that tells the OS and other software how to communicate with a piece of hardware
The main purpose of device drivers is to provide abstraction by acting as a translator between a hardware device and the applications or OS that use it
How it works ?
Kernel is the part of OS that directly interacts with the physical structure of the system. Instead of accessing a device directly, an OS loads the device drivers calls the specific functions in the driver software in order to execute specific tasks on the device
UTILITY PROGRAM
Allows a user to perform maintenance- type tasks, usually related to managing a cmputer, its devices, or its programs
Such as: managing filles, Viewing image, Uninstalling program, Scanning disks etc
SOFTWARE ?
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Also called program, provides means to us to interact with and use the computer
APPLICATION OF SOFTWARE
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Such as: Productivity software, Speciality software, Entertainment, Educational & reference software & Personal software
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