Hardware and Software

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Contents

1 What is software & Hardware?

2 Types of Software

Types of Hardware
3

Conclusion
4

WHAT IS SOFTWARE AND HARDWARE ?

 Computer Instructions or data, anything that can
be stored electronically is Software.
 Hardware is one that is tangible. The storage
devices (Hard disk, CD’s etc.,), mouse,
keyboard CPU and display devices (Monitor) are
Hardware.
 FOR EXAMPLE:
SOFTWARE – MSOFFICE
HARDWARE – NETWORK SERVER

DIFFERENCE
BETWEEN

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Types of software

Application Software

System
software
Open source Software

Proprietary
Software

Diagram
System software is a term referring to any
computer software which manages and controls
the hardware so that application software can
perform a task.

Application Software includes programs that do
real work for user.

Open source software (OSS) is computer software
whose source code is available under a license that
permits users to use, change, and improve the software,
and to redistribute it in modified or unmodified form.

Proprietary software (also called non-free
software) is software with restrictions on using,
copying and modifying as enforced by the
proprietor.

WHAT ELSE IS THERE?

 Programming Languages:
• Machine Language
• Consists of the 0s and 1s of binary code
• High Level Languages
• Must be ‘complied’ (translated to machine language)
• e.g. - COBOL, C++, Visual BASIC
• Programming tools designed to support the Web
• HTML, XML – page formatting tools
• Java - Platform-independent programming language
• .NET - Microsoft business strategy aimed at
convergence of personal computing and the Web

TYPES OF HARDWARE

Power supply

Motherboard
Processor

Cabinet

TYPES OF HARDWARE

RAM

STORAGE DEVICE
What
Else is CD- ROM

There? KEY BOARD & MOUSE

MONITOR

RAM OR RANDOM ACCESS MEMORY

 Holds instructions for processing data,
processed data, and raw data.

 Ram is measured by:
 Capacity (in Megabytes or Gigabytes)
 Speed (in Nanoseconds)

STORAGE DEVICE
 Electronic devices that store, retrieve, and
save instructions and data.
 Today’s microcomputers or PCs include
several types of storage devices.
 Capacity and speed are important
considerations when selecting a new
storage device for a PC.

HARD DISK
 Capacity is measured in gigabytes (GB or
billions of bytes).
 Typically permanently installed.
 Used to store operating system,
application software, utilities and data.
 Magnetic storage device

FLOPPY DISK DRIVES
 Capacity is 1.44 to 2.0 megabytes (MB or
millions of bytes).
 Storage device with the smallest capacity
 Most portable storage media
 Magnetic storage device

CD- ROM DRIVES

 Typically installed on all new computer
systems. (Were add-on device until the
mid 1990’s).
 Capacity is 600 to 750 megabytes
(MB or millions of bytes).
 Most mass-produced commercial software
is packaged on a CD.

KEYBOARD & MOUSE
 Input devices gather and translate data
into a form the computer understands.
 Primary input device:
 Keyboard - Most common input device; used
to type in commands and data.
 Mouse or trackball enhances user’s ability to
input commands, manipulate text, images.
 Joystick useful in education as an adaptive
or assistive input device.

OUTPUT DEVICE
 Monitors are the most commonly used
output device.
 Monitors are connected to a computer
system via a port integrated on the video
adapter or graphics card.

CONCLUSION

THE FUTURE WILL TELL US !!

Hardware and Software

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