C-and-C++/C4/Understanding-Pointers/Gujarati - Revision history

Jyotisolanki at 07:01, 16 September 2014

2014-09-16T07:01:06Z

Pratik kamble at 12:23, 15 July 2014

2014-07-15T12:23:05Z

Pratik kamble at 12:22, 15 July 2014

2014-07-15T12:22:50Z

Pratik kamble at 12:22, 15 July 2014

2014-07-15T12:22:33Z

Pratik kamble at 05:54, 19 June 2014

2014-06-19T05:54:41Z

Jyotisolanki at 06:59, 25 April 2014

2014-04-25T06:59:55Z

Krupali at 09:13, 11 September 2013

2013-09-11T09:13:59Z

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Krupali at 07:31, 11 September 2013

2013-09-11T07:31:55Z

Krupali at 07:31, 11 September 2013

2013-09-11T07:31:37Z

Krupali: Created page with '{| border=1 || ''Time''' || '''Narration''' |- | 00:02 |Welcome to the spoken tutorial on Pointers in C and C++ |- | 00:07 |In this tutorial we will learn |- | 00:09 | Pointer…'

2013-09-11T06:29:49Z

Created page with '{| border=1 || ''Time''' || '''Narration''' |- | 00:02 |Welcome to the spoken tutorial on Pointers in C and C++ |- | 00:07 |In this tutorial we will learn |- | 00:09 | Pointer…'

New page

{| border=1
|| ''Time'''
|| '''Narration'''

|-
| 00:02
|Welcome to the spoken tutorial on Pointers in C and C++

|-
| 00:07
|In this tutorial we will learn

|-
| 00:09
| Pointers.

|-
| 00:10
| To create Pointers.

|-
| 00:12
|And operations on Pointer.

|-
| 00:15
|We will do this with the help of an example.

|-
| 00:18
| To record this tutorial I am using

Ubuntu OS v11.10

gcc and g++ compiler v4.6.1 on ubuntu.

|-
| 00:32
|Let us start with an introduction to pointers.

|-
| 00:35
| Pointers point to the locations in memory.

|-
| 00:39
|Pointers store a memory address.

|-
| 00:42
|It also gives value stored at that address.

|-
| 00:45
| Now let us see an example on pointers.

|-
| 00:49
| Note that our file name is '''pointer_demo.c'''

|-
| 00:54
|Let us go through the code now
|-
| 00:57
|This is our headerfile as '''stdio.h'''
|-
| 01:01
|This is our main function.
|-
| 01:03
|Here we have long integer '''num''' assigned value 10.

|-
| 01:09
| Then we have declared a '''pointer ptr'''.

|-
| 01:13
|'''Asterisk sign''' is used to declare a pointer.

|-
| 01:16
|This pointer can point to type long int.

|-
| 01:20
|In the printf statement ,'''Ampersand''' is used for retrieving memory address of the variable.

|-
| 01:28
|So ampersand num will give the memory address of num.

|-
| 01:34
|This statement will print the address of the variable num.

|-
| 01:38
| Over here ptr stores the address of num.

|-
| 01:48
| This statement will print the address of ptr.

|-
| 01:46
| Size of function will give the size of ptr.

|-
| 01:49
| This is will give the value of ptr.

|-
| 01:52
|That is the memory address of num.

|-
| 01:55
| And here '''asterisk ptr''' will give the value at the address.
'
|-
| 02:00
|So using '''asterik''' will not give the memory address.

|-
| 02:03
|Instead it will give the value.''' %ld '''is the format specifier for long int.

|-
| 02:11
| Now let us execute the program.
|-
| 02:14
| Open the terminal window by pressing ctrl+alt+t keys simultaneously on your keyboard.

|-
| 02:22
| To compile type:
|-
| 02:23
|gcc pointer_demo.c -o point
|-
| 02:33
|Press Enter
|-
| 02:35
| type ./point.Press Enter
|-
| 02:39
|The output is displayed
|-
| 02:42
|We see that the num address and ptr value is same.
|-
| 02:48
|Whereas memory address of num and ptr are different.
|-
| 02:53
|Then the size of pointer is 8 bytes.
|-
| 02:57
|Also the value pointed by ptr is 10 which was assigned to num

|-
| 03:04
|Now let us see the same program in C++.

|-
| 03:08
|Note that our filename is pointers_demo.cpp

|-
| 03:14
|Here we have a few changes like the header file as '''isotream'''
'

|-
| 03:20
| Then we are using the std namespace.

|-
| 03:23
|And here we have the cout function in place of printf function.

|-
| 03:28
| Rest all the things are similar.

|-
| 03:31
| Let us execute the program
|-
| 03:33
| Come back to our terminal.
|-
| 03:35
| To compile type:
|-
| 03:36
| g++ pointers_demo.cpp -o point1
|-
| 03:48
| Press Enter
|-
| 03:51
| Type:./point1. Press Enter

|-
| 03:56
|You can see that the output is similar to our C program.
|-
| 04:00
|This brings us to the end of this tutorial.
|-
| 04:03
|Come back to our slides.
|-
| 04:06
| Let us summarize:
|-
| 04:07
| In this tutorial we learnt.
|-
| 04:09
| About the pointer.
|-
| 04:11
| To create a pointer.
|-
| 04:12
| And Operation on pointer.

|-
| 04:15
|As an assignment write a C and C++ program,

|-
| 04:18
|To declare a variable and pointer.

|-
| 04:22
|Store the address of variable in the pointer.

|-
| 04:25
|And Print the value of the pointer.

|-
| 04:28
| Watch the video available at [http://spoken-tutorial.org/What_is_a_Spoken_Tutorial http://spoken-][http://spoken-tutorial.org/What_is_a_Spoken_Tutorial tutorial.org/What_is_a_Spoken_Tutorial]
|-
| 04:31
| It summarizes the Spoken Tutorial project

|-
| 04:33
| If you do not have good bandwidth, you can download and watch it

|-
| 04:38
| The Spoken Tutorial Project Team

|-
| 04:40
| Conducts workshops using spoken tutorials

|-
| 04:43
| Gives certificates for those who pass an online test

|-
| 04:47
| For more details, please write to contact@spoken-tutorial.org

|-
| 04:54
| Spoken Tutorial Project is a part of the Talk to a Teacher project

|-
| 04:58
|It is supported by the National Mission on Education through ICT, MHRD, Government of India

|-
|05:06
| More information on this Mission is available at

* [http://spoken-tutorial.org/NMEICT-Intro http://spoken-tutorial.org/NMEICT-Intro]

|-
| 05:11
| This is Ashwini Patil from IIT Bomabay. Siginning off.

|-
| 05:15
|Thanks for joining.

@@ Line 89: / Line 89: @@
 |-
 |  01:20
-|'''printf''' સ્ટેટમેન્ટમાં, '''Ampersand''' વેરિયેબલ મેમરી અડ્રેસ પ્રાપ્ત કરવા માટે વપરાય છે.
+|'''printf''' સ્ટેટમેન્ટમાં, '''Ampersand''' (એમ્પરસેન્ડ) વેરિયેબલ મેમરી અડ્રેસ પ્રાપ્ત કરવા માટે વપરાય છે.
 |-

@@ Line 270: / Line 270: @@
 | 04:25
 |અને પોઈન્ટરની વેલ્યુ પ્રિન્ટ કરો.
 |-

@@ Line 186: / Line 186: @@
 | 03:14
 |અહીં અમુક ફેરફાર છે જેવા કે હેડર ફાઈલ '''isotream''' તરીકે છે.
 |-
@@ Line 260: / Line 259: @@
 |અસાઇનમેન્ટ તરીકે,
 |-
 | 04:18

@@ Line 43: / Line 43: @@
 |પોઇન્ટર મેમરી માં સ્થાનોને નિર્દેશ કરે છે.
 |-
 | 00:39
 |પોઈન્ટર્સ મેમરી એડ્રેસ સંગ્રહ કરે છે.
 |-

@@ Line 9: / Line 9: @@
 |-
 | 00:07
-આ ટ્યુટોરીયલમાં આપને શીખીશું,
+|આ ટ્યુટોરીયલમાં આપને શીખીશું,
 |-

@@ Line 1: / Line 1: @@
 {| border=1
-|| ''Time'''
+|| '''Time'''
 || '''Narration'''

@@ Line 5: / Line 5: @@
 |-
 | 00:02
-|Welcome to the spoken tutorial on Pointers in C and C++
+|C અને C++ માં પોઇન્ટર પરના સ્પોકન ટ્યુટોરીયલમાં તમારું સ્વાગત છે
 |-
 | 00:07
-|In this tutorial we will learn
+આ ટ્યુટોરીયલમાં આપને શીખીશું,
 |-
 | 00:09
-| Pointers.
+| પોઈન્ટર્સ.
 |-
 | 00:10
-| To create Pointers.
+| પોઈન્ટર્સ બનાવવું.
 |-
 | 00:12
-|And operations on Pointer.
+|અને પોઈન્ટર્સ ઉપર ઓપરેશનો કરવું.
 |-
 | 00:15
-|We will do this with the help of an example.
+|આપણે આ ઉદાહરણ મારફતે કરીશું.
 |-
 | 00:18
-| To record this tutorial I am using
+|આ ટ્યુટોરીયલ રેકોર્ડ કરવા માટે, હું ઉપયોગ કરું છું
-Ubuntu   OS v11.10
+Ubuntu OS આવૃત્તિ 11.10,
-−
-gcc and g++  compiler v4.6.1 on ubuntu.
 |-
 | 00:32
-|Let us start with  an introduction to pointers.
+|ચાલો પોઈન્ટર્સ ના પરિચય સાથે શરૂ કરીએ.
 |-
 | 00:35
-| Pointers point to the locations in memory.
+|પોઇન્ટર મેમરી માં સ્થાનોને નિર્દેશ કરે છે.
 |-
 | 00:39
-|Pointers store a  memory address.
+|પોઈન્ટર્સ મેમરી એડ્રેસ સંગ્રહ કરે છે.
 |-
 | 00:42
-|It also gives value stored at that address.
+|તે, તે અડ્રેસ પર સંગ્રહ થયેલ વેલ્યુ પણ આપે છે.
 |-
 |  00:45
-| Now let us   see an example on pointers.
+|હવે ચાલો પોઈન્ટર્સ ઉપર ઉદાહરણ જોઈએ.
 |-
 | 00:49
-| Note that our file name is '''pointer_demo.c'''
+| નોંધ લો કે આપની ફાઈલનું નામ '''pointer_demo.c''' છે.
-−
-−
 |-
 | 00:54
-|Let us go through the code now
+|ચાલો હવે કોડ મારફતે જઈએ.
 |-
 | 00:57
-|This is our headerfile as '''stdio.h'''
+|આ આપણી હેડર ફાઈલ '''stdio.h''' તરીકે છે.
 |-
 | 01:01
-|This is our main function.
+|આ આપણું મેઈન ફન્કશન છે.
 |-
 | 01:03
-|Here we have long integer '''num''' assigned value 10.
+|અહીં આપણી પાસે લોંગ ઈન્ટીજર '''num''' છે, જેમાં 10 વેલ્યુ અસાઇન થઇ છે.
 |-
 |  01:09
-| Then we have declared a '''pointer ptr'''.
+|પછી આપણે પોઈન્ટર '''ptr''' જાહેર કર્યું છે.
 |-