C&C++ | UNIT-4 FULL EXPLANATION | 10 MARKS SEMESTER-2 | OSMANIA UNIVERSITY | 2026 | @shivanipallela

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[00:00:01]Welcome back to our channel. So, students in this video we will discuss unit number four, that is pointers, structures, and unions of C and C++.

[00:00:11]I hope that this video will be useful.

[00:00:14]So, some students are asking that to do the explanation video. So, they're understanding it seems. Thank you so much Thank you for that. And in fourth unit, ma'am, you just concentrate on structures and unions differences. This is the first important question. And the second important question is pointers.

[00:00:35]You can expect it for two marks.

[00:00:37]Okay? What is this pointer? It addresses another variable and retrieves the value of of that variable. Means, what it will do means another variable what you are having in the program, it addresses that. And later it will whatever the value it is having, it will convert it into that value. That is called pointers. Got it? Next, sample program.

[00:01:02]Here also you need to remember this program. Include studio.h, void main, integer a, b, printf, printf, printf.

[00:01:11]This full thing we have already discussed in previous year programs also, no? Same programs you are adding.

[00:01:19]Right? So, once if you check means you will easily get to know that is pointer is very much important and structure is not that much important.

[00:01:29]Next, array of structure is important, okay? So, what is what does this array of structure is means? We have to create a structure of variable type array.

[00:01:39]Means, what it will do? It will do the input function scanner, which will accept the variable into the program.

[00:01:46]That will give a array structure and which will whatever the values we are giving in the print, it will show into the screen. Okay? You need to remember this interaction part and you need to remember the sample.

[00:02:00]Sample program is nothing but uh include studio, void main. Here you are using structure, no? So, that's why it's s t r u c t. Struct is the uh data type name. So, what is the table name? Student. Okay? Next, integer number, class characteristic is name.

[00:02:23]Okay? And uh float is average. Like that you remember. And next one is enumeration data types is also important. This question we can expect it today examination.

[00:02:37]So, once you check out this question, ma. What is this question? Enumerated data type. From here to here, you need to remember the introduction part, okay?

[00:02:48]It is used to define the opening and closing braces. Just we know in previous uh uh it lesson also we have learned about what these enumerated.

[00:02:58]What it will do? It is a data type which it will gives the opening and closing value of that braces, okay? So, we have to declare the variable by using keyword and assign the values to the variables.

[00:03:11]Like that you remember. And next you write the sample program. Sample program is nothing but include studio, void main. E N U M is the uh data type name, okay? For enumerated e n u m. E N U M for structure, s t r u c t. Struct. So, like that you need to remember. Here they are giving the names. A is equal to Monday, B is equal to Tuesday, C is equal to Wednesday.

[00:03:40]Like that they are giving. And here they are mentioning about the days. So, that's why table name is enum days, okay? And print f and closing. This is important. And next you see the differences between structure and union, and that's it. These two questions is important. Pointer for two marks, enumerated data types is for eight marks, and structure and union differences is also eight marks. So, you see these two top questions from unit number two, and especially programs.

[00:04:13]Programs is must and should. Again, I'm saying programs is must and should. You can't skip the programs, okay?

[00:04:21]So, this is the thing. This is all about the video. I hope that you have got clarity. It's not Again, I'm saying it's not about the explanation part.

[00:04:31]It's not at all there anything to explain it, okay? All the thing is you need to concentrate on the programs.

[00:04:38]Programs is very much important. So, those who are watching this video will get to know about the damn sure questions. So, whatever the questions I'm saying, you just prepare and by heart the programs that can I suggest to you all, okay? So, this is all about the video, and this is your last exam. Don't skip any questions. Attempt all five and all short and long, okay? Compulsory, you will get passed, okay? I'm having that assurance, and but it's in your hands. You need to attempt five long and five short, whether you know or don't know the question, but attempting is important. So, this is all about the video. If you like this video, then do like, share, comment, and subscribe to our channel, and share it with all your friends okay? See you all in next video.

[00:05:23]Bye-bye, students.