Describing brief about various types of Softwares and Hardwares

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2. HARDWARE
The physical components of a computer
system (i.e. the components that can be
touch) are referred to as hardware. Input
and Output device, Storage unit, and the
Central Processing Unit(CPU) are examples
of Hardware.
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3. Input Device
Devices that accept input from
the user and convert it to a form
that can be understood by the
Computer.
Example:- Bar code reader,
Magnetic ink character reader,
Optical mark reader, Card reader,
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4. Magnetic Ink Character Reader
A magnetic ink character reader is used for
entering special characters printed in
magnetic ink (containing magnetizable
particles of iron oxide) into the computer.
This technique is called Magnetic Ink
Character Recognisation ( MICR).
Optical Character Reader
An Optical Character Reader is used for
entering text into a computer . First, the
Optical Character Reader produces a
digital image of the text . Then ,
character-recognition software is used to
convert this digital image into character
that can be stored and processed by the
computer. This technique is called Optical
Character Recognition. santuarya@gmail.com

5. Card Reader
These are used for accessing the information stored on various
types of card , such as magnetic strip cards and smart carts .
Credit cards are example of magnetic strip cards . The strip
card can contain up to 60 characters (numbers or digits)of
information, which is stored magnetically.
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6. Output Device
Devices that convey
information from the
computer to the user.
Example:- Liquid Crystal
Display(LCD), Plotters,
Printer.
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7. LCD Projector
An LCD Projector takes the input
from a computer and shows it on a
large screen. It is commonly used in
organization for displaying Power
Point Presentation during meeting.
Plotter
A plotter is an output device that is
used for creating high quality graphics
, visuals , charts, graphs, tables, or
diagram. Plotter use ink, pens or jet of
ink to create graphics on paper or
polyester film.
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8. SOFTWARE
A set of computer programs that are needed for
running or operating a computer system
effectively.
Or
Software is a set of program, which is designed to
perform well designed function. A program is a
sequence of instruction written to solve a
particular problem.
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9. Types of Software
System Software
A set of one or more
programs that are
designed to control the
operation of a computer
system.
Example:- Operating system,
Compiler, Assembler,
DOS.
Application Software
Software designed to help
the user perform a
certain type of work.
Example:-Word, Excel,
PowerPoint, Paint.
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10. SYSTEM SOFTWARE
System software is a set of one or more programs design
to control the operation of the computer system. Its
manage task such as controlling different operations,
moving data in and out of the computer, and executing
application programs. System software can be classified
into the following four categories: Operating system,
Interpreters, compilers, assemblers.
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11. OPERATING SYSTEM
A operating system is a master control program that runs
the computer. It controls the flow of signals from the
central processing unit to the various parts of a
computers. some popular operating system are ms-
windows, ubuntu, and mac os x.
COMPILER
A program that translates a high level language program
into a machine language program in one go.
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12. INTERPRETER
A PROGRAM THAT TRANSLATE ONE STATEMENT OF A HIGH-LEVEL
LANGUAGE PROGRAM INTO MACHINE CODE AND EXECUTES IT.
ASSEMBLER
A PROGRAM THAT TRANSLATES AN ASSEMBLY LANGUAGE
PROGRAM INTO A MACHINE LANGUAGE PROGRAM.
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13. APPLICATION SOFTWARE
Application software is designed to help the
user in performing a certain function. It can
be classified into two categories: Package
and Utilities.
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14. PACKAGE
A computer application consisting of
one or more programs create to
perform a particular type of work.
UTILITY
A program design to perform maintenance
work on the system , or on system
components.
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