computer software and hardware

Computer Software And hardware


Computer Software And hardware

A computer system is made up of an arrangement of computer  software and hardware components.

Definition :
Computer Software abbreviated as SW and S/W. computer software contain various kinds of programs used to operate computers and related devices.

computer software and hardware

Computer software can be divided into :

1)  Application software
Its is a programs that users are directly interested in.We can also say that it is a program or collection of programs used by end users.

Examples : Payroll Software, Railways Reservation Software, Microsoft Office Suite Software, Visual studio, VLC media player, Picasa, Google chrome, Tally, etc.

2 ) System software
System software is a programme which is used by computer system for its working.System software is the interface between the hardware and user applications.It is used to control computer’s hardware and application programs.

There are three types of System software :

a) Operating systems
b) Device drivers
c) Utilities Programs

System software includes :


a) Operating systems
Operating system (OS) are essential collections of software that manage resources and provides common services for other software that runs.It is responsible for basic functions of computer system.

Examples : Windows 7, Windows 8, Mac oS, Linux, Unix, Android, etc.

b) Device drivers
Device drivers operate or control a particular type of device that is attached to a computer.

Examples  :  printer driver, a graphics driver, a sound card driver, a network card driver, etc.

c) Utilities Programs
Utilities Programs are computer programs designed to assist users in the maintenance and care of their computers.Examples of utility programs are anti-virus software, backup software and disk tools.

Examples  :   Network utilities, System monitors, Disk space analyzers, Backup software, Disk cleaners, File managers etc.

computer software and hardware

Computer hardware

Definition :
Computer hardware is a physical parts of a computer system.Computer hardware may sometimes be seen abbreviated as computer HW or H/W. Computer hardware are monitor, keyboard, and mouse. It also includes  hard disk drive, SMPS, motherboard, RAM and many others. In short computer parts which can physically touch.

Examples :
Input devices :  keyboard, mouse, etc.
Output devices : printer, monitor, etc.
Secondary storage devices :  Hard disk, CD, DVD, Pendrive,  etc.
Internal components :  CPU, motherboard, RAM, SMPS, etc.

Firmware

Firmware is programming that is hard-coded into a computer chip. Firmware is a low-level program for the hardware that allows it to complete some specific task. Firmware programs are permanent memory that is difficult or impossible to change.



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