so i'm going to start a course on programming in c language and this is the first video so i'm going to
discuss some basic things in this video like what is need of programming why do you write programs
what is need of writing these programs what is need of programming languages and then we will come
to c language right so now let us discuss what is need of programming why do you write programs see
computer is what it's you can say machine or you can say general purpose machine the use of computer
is what
which can be which can perform any task any computational task not any task any computational task it
can perform right but how do you communicate with computer like suppose if you want to add two
numbers then it's not like that you will say hey computer i want to add two numbers four and five so tell
me what is the addition of four and five no computer will not understand your language so now what
you will do we will write some instructions you can say sequence of instructions and we will give those
sequence or set of
instructions to computer and then according to that computer will perform your task right so those set
of instruction or what program sequence of instructions are what programs right that is why if you want
that your computer will perform some task for you you have to write programs right that is why we need
to write programs fine but now see the language of computer is what binary language i hope everybody
knows 0 and 1 computer can understand only 0 and 1 binary so if you write like if you write
program so you can sorry in your computer like some system programs application programs or you must
have heard about system software's application software software is what definitely it is a set of
programs right so system programs means what they are going to manage that system resources they
are going to manage the hardware and application programs or application softwares are what they are
basically used to perform your task your favorite task like um web browser is application software and
text editor in which you you can
edit you can write text you can edit text ms office that is also a application software right but suppose if
you want computer to perform your task any specific task according to that you have to write your own
program and you have to submit that program you have to give that program to computer and then
computer will understand your program or you can say those sequence of instructions and according to
that will give you some output right so now how do you write programs like it's not like in simple English
language you will write programs and submit to computer no it is not going to understand so for that
thing we need programming languages right see when we communicate with each other like if i want to
communicate with you then the languages may be english hindi right so and for communication what
first of all you need to understand the the alphabets first we we uh study what abcd and then words
then we frame sentences by using grammars and all right and then we communicate then we frame
sentences and
then we communicate with each other same thing in language also you need to learn something before
before writing the programs like the characters character set of that language keywords and some
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