Welcome to our new lecture
In this lecture we are going to talk about
Hardware and Software What is hardware and what is software
and how do they communicate with each other
Can it work without hardware
Can it work without software
Windows that is called the master software
What is the role of this
So we are going to discuss all these things
So let's open the whiteboard and see what all things we
will get to read today and we will decode them
So first of all we will start with hardware
Let's try to understand what is the definition of hardware
and how does it work
So Hardware represents the physical and tangible component
of a computer Does your computer have all the physical
components in it
Will I call everyone hardware
Then who will I call in software So you may be asked that
all the components of a computer are hardware or software
or some are software
So almost all are hardware
If I talk about components of a computer because you can
touch them physically
So here is the computer hardware hardware represents the
physical and tangible components of a computer that is the
components that can be seen and touched What will I call
them
I will call them hardware
Now it doesn't matter if it is an input device or an output
device
If you can see and touch that input device then you will
call it hardware
I have a motherboard
I have picked it up in my hand
What is it? It is hardware I have a watch
What is it? It is hardware
I have ear buds
What is it? It is hardware
I have speakers What is it? It is hardware
I have a mouse
What is it? It is hardware
You can see and touch
So all these things are hardware
Examples of hardware All the hardware around you can be
called hardware
But we categorized them
We categorized the components of a computer How did we
categorize?
We said that we will call these devices as input devices We
will call these devices as output devices
In this way input and output devices
We made two categories
Input devices and output devices
But everything is hardware
In hardware, input devices and output devices will also come
And the same thing is written here Examples of hardware are
following
These are some examples that these things are hardware
First is input device
All your input devices
What will you call them all?
Will I call a light pen as hardware?
Yes, of course, you will call a light pen as hardware
Will I call a joystick as hardware? Yes, you will call a
joystick as hardware
Will I call an OMR as well?
What will you call an OMR reader? Will I call it? Yes, you
will call it
So here are the names given
For example, the input device is a keyboard
Mouse Will I write a touch pen here? Yes, you will write a
touch pen Will I write something else here?
Yes, you will write an OMR reader here
All these things are your input devices All these things
are your input devices And what are the input devices?
They are your hardware The next thing is
Output devices
This is also a hardware
What is hardware? Here is a printer
Here is a monitor
And your speaker This is also a hardware
As well as There is also an output device
So what can we say?
Printer and monitor are both your output devices
Next thing is Secondary storage devices Whatever secondary
storage devices I have
I will also tell them that what is this, I also have
hardware, what is in it, what is my hard disk, what is my
hard disk, I have that hard disk, I have secondary storage
device, as well as what is it, I also have hardware, I have
the CD, what did I call
it, CD, DVD, what did I call both of these things, I used
to call them optical disk, now the optical disk you have,
what do you call it, now why do you call optical disk
secondary storage device, because you can store data in it,
you can store songs in
it, you can store videos in it, so what can I say, that my
optical disk is also a secondary storage device, as well as
it is also hardware, so in which category did we put this
thing, in the category of hardware, why are you saying
hardware, can't you
touch the CD, can't you see the CD, can't you see the DVD,
so what is it, so what is it, it is hardware, the optical
drive of the CD or DVD, that is also a component of
computer, so will you call it hardware, yes, because you
can see it, you can touch it, is the DVD writer in which
DVDs are kept, is it also hardware,
yes, it is also hardware, because you can touch it, you can
see it,
so what is the next thing, the next thing I have is
internal components, I am talking about the components
inside my computer, internal components, will I also call
external components, yes, because you can physically touch
it, my CPU is done, what will
I call it, I will call it hardware, there are internal
components, what is with it, it is hardware, what is the
next thing, motherboard, so what did I say, that I have a
motherboard, what can you call a motherboard, you can call
it hardware,
why can you call it, here I have a motherboard, can't you
see it, I can see it, can't you see it, you can see it, can
you touch it, you can, so what is it, I have it, hardware,
after this my RAM, I showed you the photo of RAM, what I
have RAM, RAM is
also your internal components, it is inside, so we will
call it internal components, is it hardware along with
internal components, the question comes, is it hardware or
not, yes, it is hardware, why is it hardware, I can pick it
up and put it, so it
is hardware, let's see the next thing, some images have
been given here, all these images, so we can say that what
happened to all this, all this is my hardware, now what has
been given in it, let's see it once, I said that I can
recognize it, what is
mine, this is my mouse,
I can see the mouse, I can touch it, so what has happened,
it has become hardware, what do I have, I have optical
disk, what is it, it is CD, and what is the use of CD, it
is my secondary storage device, what do you do inside the
secondary storage device,
we do the work of storing data inside it, this is a cable,
is this cable also my hardware, yes, you can also touch it,
you can see it, something has been given to me, what is it,
it can also be called hardware, something has been given to
me, cable, what
can you call it, hardware, what has been given to me, it
has been given to me, DVD drive, that is, hard disk drive,
it is hard disk drive, what can I do inside this hard disk
drive, what is it, you can touch it,
what has happened, it has become hardware, and it has
become my main component, what do I call it, I call it
motherboard, nothing is more important than this, and what
do we call it, we call it backbone of computer, and here
you will see CPU, we call
it brain of the computer, and here you can see fan, what
will it do, whatever heat will be produced, it will do the
work of removing the heat, what is this thing, you can see
it, RAM, so what is your RAM, it is an internal component,
as well as RAM, what
is your RAM, it is hardware, apart from this, a USB cable
has been given here, a type C cable has been given here,
what are these two things, it is your hardware, because
what can you do, you can touch them, you can see,
I have a CPU, I have a small chip, and this is also my
hardware, because you can touch it, you can see it, what is
left with me at the end, I have a keyboard, I can touch the
keyboard, I can see it, I have a keyboard, I have touched
it, I have seen it,
so what has happened to me, it has become hardware, as well
as what has happened to me, it has become an input device,
so what is the relationship between hardware and software,
do they talk to each other, do they communicate, or do they
not talk to each other, then how does it work, let's see,
let's try to understand the relationship, what is the
relationship between
the two, so here I see that the relationship between
hardware and software, so hardware and software are
mutually dependent on each other,
How to make a computer produce a useful output?
Now this software has a program written in it, that is, the
programmers wrote a program that Spotify writes, in
Spotify, what things will be seen in your interface, so how
did they write all those things through the program?
Here you will see the playlist, here you will see the name
of the song, how all these things will be written in the
program.
What is the program? The program is a set of instructions.
What is the program? What is the software?
What is my software? Set of programs, this is my software.
What is the software? Set of programs, what is the program?
Set of instructions, what does this mean?
This means that suppose you want to play a song, as soon as
you click on play, what happens?
A complete instruction runs, what is that instruction? What
is the first step?
Instructions mean step, set of steps, what is the first
step?
You will click, what is the second step?
The second step is that the song will come from the
database or from the server and you will hear it.
So what is this? Two steps, what is the third step?
That is, from the output, that is, the speaker, whatever
your hardware is installed, you should hear that song.
So what is this? This is a program of my play.
What can I do like this? I can write a program of pose.
What did you do? You did a pose.
As soon as you do a pose, what set of instructions will run?
First you clicked on the pose, you clicked on the pose.
What happened to the second?
The song that was coming from the server will not come now.
What is the third?
The sound that was coming from your speaker will not come.
So this way there are set of instructions, there are set of
steps.
There can be a lot of programs in a software.
There can be a lot of set of instructions in a lot of
programs.
Which is designed to perform a well-defined function.
What is the function doing?
Spotify is doing the function of playing the song.
It is doing the function of stopping the song.
Program is a sequence of instructions.
Program is a set of instructions.
Written to solve a particular problem.
What was the problem?
If you want to play a song, what will you have to do?
There is a set of instructions.
If you want to pose, what will you have to do?
There is a set of instructions.
Now there are two types of software.
What are the two types of software?
One is your system software.
The other is your application software.
What does it mean?
System software.
What does it mean?
Application software.
So let's try to understand this.
The first thing is your system software.
What things have been given to you in system software?
The system software is a collection of programs.
Now any software, whether it is a system or an application,
A software is a collection of programs.
So remember this.
A software is a collection of programs.
What is designed for?
To operate, control and extend the processing capabilities
of the computer itself.
The computer has its own capabilities.
Sometimes you have a lot of capabilities inside you.
But you are not able to recognize it.
So what does a person do to you?
Motivates.
Or what does a person do to you?
Guides.
What does he tell you?
Guiding.
That this work is not like this, do it like this.
Don't control this thing like this.
You will control it like this.
Or sometimes they say that control your anger.
If you control your anger, things will be better.
In the same way, what happens here?
The system software is there.
Which does what?
Will operate things.
Will control.
And will extend.
What will happen by doing these three things?
What will happen by operating?
What will happen by controlling?
What will happen by extending?
Processing capability.
The processing capabilities will increase.
System softwares are generally prepared by computer
manufacturers.
That is, who prepares the software of the system?
He does.
The manufacturer of the computer.
The maker.
Like what happened to your Windows?
It became a system software.
Who has prepared it?
He has prepared it.
The manufacturer of the computer.
Now it is not like that.
Microsoft computers do not come.
Microsoft computers come.
So they prepare it.
Although it is not like that.
The computer manufacturers will prepare it.
Like suppose.
Now there are different computer manufacturers.
I also have Lenovo computers.
I have other than this.
I also have Intel computers.
I also have Asus computers.
So in Asus.
Will all the system software of Asus be seen?
Some will be seen.
But where will the major Windows be seen?
Windows is made by Microsoft.
These software products comprise of programs.
That is, what happens in this software?
Programs are written in low-level language.
What is written in it?
That is, the system software that I write is written in
low-level language.
What is the meaning of low-level language?
Low-level language means.
Machine language.
What is the meaning of machine language?
Machine language means.
1010101 In this way, this machine language is written in
low-level language.
What is the other name of that low-level language?
Machine language.
So we also understood this.
Which interacts with hardware.
That is, what does this system software do?
It interacts with hardware.
At a very basic level.
System software serves as the interface between hardware
and end users.
Who became end users?
You and people like me.
We have become.
What is the interface between hardware and end users?
Whether it is a system software or an application software.
Some examples of system software are operating systems.
What is the operating system?
Like Windows operating system.
Linux operating system.
Ubuntu operating system.
Kali Linux operating system.
What is all this?
All these are your system software.
Or become compilers.
What are compilers? Compiler is your system software.
What does it do?
Your high-level language.
In which you have written the code.
It converts it.
In which does it convert?
It converts it to low-level language.
Low-level language means.
It converts it to 010 machine language.
So we understood this.
Interpreter works like a compiler.
But what is the difference?
Our compiler.
Translates all my lines at once.
But what does my interpreter do?
Line by line.
What is the example of this?
Line by line.
You do not know how to make maggi.
You told your mother.
Tell me the recipe of making maggi.
Your mother told you.
Do one thing.
Pour water first.
Then you said.
After that your mother said.
Put maggi in it.
Things are happening step by step.
It is not that your mother said.
To make tea.
First put water in it.
Then put tea leaves in it.
Then put sugar in it.
Then when it boils, put milk in it.
When you are making for the first time.
So what is here?
What does the interpreter do?
One by one.
You must have seen.
Like our Prime Minister went to another country.
People from another country came to listen.
When the language of another country.
It can be different.
Like our Prime Minister went to China.
They have to give a speech there.
So what will they do?
They will speak in Hindi.
Whatever speech they have, they will speak in Hindi.
But what will the interpreter do?
One man will stand.
What will he say?
He knows both languages.
He knows Chinese.
He knows Hindi.
So our Prime Minister.
He will speak in Hindi.
So what will the interpreter do?
He will convert it into Chinese.
So this is how the interpreter works.
Then you have an assembler.
What does the assembler do?
We saw that the assembler.
The assembly language is a little lighter than the machine
language.
You will be able to learn it.
3 out of 50 people will be able to learn it.
But the machine language is 1 out of 50.
So the assembler does this work.
It does the work of converting.
What does it do?
Whatever is written in the assembly language.
It will convert it into the machine language.
That is, in the low-level language.
That is, 1010. This is some features of the system software
This is some features of the system software
Let's understand these features
First is close to system
If you see, there are many programs inside windows you have
own your computer so you can see everything you can see
display, time you can see your icons what do you think how
can you see because your system software like windows
operating system there
are many such programs there are many such processes which
are running in your background which are running in your
background which are running in your background means do
all these come to run in RAM yes everyone has to come to
run in RAM so can we
see this yes you can see so what you have to do you have to
put task manager you can see in task manager
I opened it and here you will see what is this apps what
are these apps these are your applications like
I have opened google chrome
I have opened microsoft whiteboard
I have opened OBS studio what is this background process
means background process can be related to this or system
software can be related to this like intel rapid storage
technology is running we did not run this this is running
automatically some apps
are running in background which is our 12.5 MB which is our
12.5 MB what are all these all these processes are running
in background this is windows process which you can see on
windows which you can see on windows you can see because of
this stop doing
this like suppose if you want you can end task but this
problem can come that you have to run your system again you
have to run your system again so we understood that system
is very fast second is fast in speed means if I talk about
application software
so are they faster than this
I will say no these are faster difficult to design because
you have to keep system close you have to make it
compatible with system you can take example of this you can
see that apple software integrated why they can do this
reason is because they designed
difficult to understand not everyone can understand why
because they are written in machine language because they
are written in machine language and because they are
difficult to design so what you will say this is not easy
less interactive like other
software like other software you will open whatsapp you
will see message you will see message you will see call
icon you will see video call icon you will see video call
icon you can see all these things but here you can't see so
what you understand that
they are not interactive application software are
interactive smaller in size difficult to manipulate you can
manipulate other software you can manipulate other software
but they are difficult to manipulate but you can manipulate
them with difficulty
generally written in low level language low level language
means machine language machine language means 101 language
how to understand 101
I am writing what is the name 2 plus 3
I got 5
I don't know what is going on behind what is BTS we will
understand later when we will do a lecture if I am writing
this name
Rahul then R is converted to 101
A is converted to 1010
HB, UB, LB how all these things are converted then you will
understand what you are writing in high level language what
you want to do with computer it doesn't understand directly
what you have written in English language it converts it
then you can understand
things so I understood that my system software how they are
working what things I will see what things I will see let's
put it down no just a second lets go back now lets see
application software what is written in application software
I understood what is Whatsapp they are third party software
that I can download from play store or google chrome what
you can call them you can call them application software so
application software products are designed to satisfy a
particular need of
a particular environment means I need to make a video call,
I need to watch some videos, I need to pass time if I need
to pass time then what happened
I need Instagram, there I need to watch videos so as soon
as a particular need arises for a particular environment,
for a particular people so what they did, they made
Instagram real they made it real they fulfill your need
I needed it, I can't do it the people who call from mobile
phones, for that they have to pay
I have internet connection in my house, is it possible that
I can call without paying internet connection is there, yes
of course so what did you get, you got whatsapp you got the
feature of call on whatsapp, you can do it you need to
watch youtube, you
need to take knowledge so what is there, you got the
software like youtube these are all third party software
you can call them application software all software
applications prepared in the computer lab means where are
these all prepared can come under
the category of application software you can put them in
this category you can put them in the category of
application software application software may consist of
single program means what can happen, now software can be
very big software can be small
software can be, so single program can be multiple program
can be such as Microsoft notepad, this microsoft notepad is
single program for writing and editing simple text means
simple text if you want to edit it, what can you do you can
go to the notepad,
you can write it it may also consist of a collection of
programs what does it mean, it can also be that the
collection of programs can also be like a very big
software, we have whatsapp whatsapp itself is a very big
software, whatsapp is not just that
you can chat you can put status in whatsapp, you can do
video call in whatsapp you can also do audio call in
whatsapp you can also change your dp in whatsapp you can
also change the rest of the privacy settings of whatsapp
means there are different programs
for different things so what did they say to all the
programs that there is a collection of programs what is in
the notepad, it is a single program what does that single
program do, can you do video call in the notepad can't do,
can you write colorful
in the notepad can you write colorful in the notepad, can't
do so what is it, it is a single program often called a
software package this collection of programs comes, we also
call it a software package which work together to
accomplish a task, which
work together to complete a task such as spreadsheet
package spreadsheet means word, like excel excel sheet, in
excel sheet there are many programs which work together it
is a whole package, there are some examples of application
software first is payroll
software means you have to pay things you have to pay
salary, so what happened made payroll software, if you want
to keep student's record so for student's record, we have a
software you have to manage inventory, how much stuff is
coming how much stuff
is going, for this what you can do, for this we can make
inventory management software after that, you have to keep
income tax data
I have to keep all things, how can I do
I can make income tax software, after that I have to do
reservation, to do reservation to do reservation, railway
reservation made a software, what name did we put IRCTC,
you can do this after that, Microsoft office comes its
software means, whole package
comes in that package, you will get to see excel in that,
you will get to see word, in that you will get to see
access in that, you will get to see powerpoint in that, you
will get to see outlook so what did we do Microsoft Word,
Microsoft Excel, Microsoft
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Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Word, Word, Word,
Word, Word, Word, Word, Word, Word, Word, Word, Word, Word,
Word, Goodbye.