Difference Between Software and hardware

Computer
Software
&
Computer
Hardware

Presented By
ZEESHAN ILYAS
BS CIVIL ENGINEERING
International Islamic University Islamabad

SOFTWARE
 Software Is A Collection Of Instructions That Enable The User To
Interact With A Computer, Its Hardware, Or Perform Tasks.
 Without Software, Most Computers Would Be Useless. For
Example, Without Your Internet Browser Software, You Could
Not Surf The Internet Or Read This Page
 Without An Operating System, The Browser Could Not Run On
Your Computer.

SOFTWARE
 Computer software includes computer programs, libraries and
related non-executable data, such as online documentation or
digital media. Computer hardware and software require each
other and neither can be realistically used on its own.

SOFTWARE
 The majority of software is written in high-level
programming languages that are easier and more
efficient for programmers to use because they are
closer than machine languages to natural languages.
 High-level languages are translated into machine
language using a compiler or an interpreter or a
combination of the two.
 Software may also be written in a low-level assembly
language, which has strong correspondence to the
computer's machine language instructions and is
translated into machine language using an assembler.

SOFTWARE
 A computer programmer (or several computer
programmers) write the instructions using a
programming language that tell the software how
to function and what to do. Once the program has
been completed, it is compiled into a language
that the computer can understand.

1.APPLICATION SOFTWARE
 Which is software that uses the computer system to perform
special functions or provide entertainment functions beyond the
basic operation of the computer itself.
TYPES OF SOFTWARE

2.SYSTEM SOFTWARE
 Which is software that directly operates the computer
hardware, to provide basic functionality needed by users and
other software, and to provide a platform for running
application software.
TYPES OF SOFTWARE

2.SYSTEM SOFTWARE
 System software includes:
Operating systems
 Which are essential collections of software that manage resources and
provides common services for other software that runs "on top" of them.
Supervisory programs, boot loaders, shells and window systems are core
parts of operating systems.
Device drivers
 which operate or control a particular type of device that is attached to a
computer. Each device needs at least one corresponding device driver;
because a computer typically has at minimum at least one input device and
at least one output device, a computer typically needs more than one device
driver.
Utilities
 which are computer programs designed to assist users in the maintenance
and care of their computers.
TYPES OF SOFTWARE

3.MALICIOUS SOFTWARE OR MALWAR
 Which is software that is developed to harm and disrupt
computers. As such, malware is undesirable. Malware is
closely associated with computer-related crimes, though
some malicious programs may have been designed as
practical jokes.
TYPES OF SOFTWARE

HARDWARE
 Computer hardware is the physical parts or components of a
computer, such as the monitor, keyboard, computer data
storage, graphic card, sound card and motherboard.
 By contrast, software is instructions that can be stored and ran
by hardware

HARDWARE
 Hardware is directed by the software to execute any command
or instruction. A combination of hardware and software forms a
usable computing system.

1.POWER SUPPLY
 A power supply unit (PSU) converts alternating current (AC)
electric power to low-voltage DC power for the internal
components of the computer. Laptops are capable of running
from a built-in battery, normally for a period of hours.
TYPES OF HARDWARE

2.MOTHERBOARD
 The motherboard is the main component of a computer. It is a
board with integrated circuitry that connects the other parts of
the computer including the CPU, the RAM, the disk drives (CD,
DVD, hard disk, or any others) as well as any peripherals
connected via the ports or the expansion slots.
TYPES OF HARDWARE

3.EXPANSION CARDS
 An expansion card in computing is a printed circuit board that
can be inserted into an expansion slot of a computer
motherboard or backplane to add functionality to a computer
system via the expansion bus. Expansions cards can be used
to obtain or expand on features not offered by the
motherboard.
TYPES OF HARDWARE

4.STORAGE DEVICES
 A storage device is any computing hardware and digital
media that is used for storing, porting and extracting data
files and objects. It can hold and store information both
temporarily and permanently, and can be internal or external
to a computer, server or any similar computing device. Data
storage is a core function and fundamental component of
computers.
TYPES OF HARDWARE

5.INPUT AND OUTPUT PERIPHERALS
 Input devices allow the user to enter information into the
system, or control its operation. Most personal computers have
a mouse and keyboard, but laptop systems typically use a
touchpad instead of a mouse. Other input devices include
webcams, microphones, joysticks, and image scanners.
 Output devices display information in a human readable form.
Such devices could include printers, speakers, monitors or a
Braille embosser.
TYPES OF HARDWARE

Difference Between Software and hardware

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