1 00:00:03,450 --> 00:00:04,800 So hello, everyone. 2 00:00:05,100 --> 00:00:06,210 Welcome back to the course. 3 00:00:06,960 --> 00:00:09,540 So in this glass, we will learn convergence. 4 00:00:12,710 --> 00:00:17,150 Convergence means how will you convert a binary number to a decimal number? 5 00:00:18,870 --> 00:00:19,680 Always I was a. 6 00:00:21,220 --> 00:00:24,330 OK, so let us get started. 7 00:00:25,740 --> 00:00:28,650 So first of all, how will you convert our decimal number? 8 00:00:30,450 --> 00:00:33,260 Duodecimal number, Nacimiento decimal. 9 00:00:37,060 --> 00:00:40,480 For example, 250 trees are decimal number. 10 00:00:41,630 --> 00:00:43,090 OK, so what I will do. 11 00:00:43,210 --> 00:00:44,180 What is the word of three? 12 00:00:44,760 --> 00:00:45,700 Ten to the power zero. 13 00:00:46,060 --> 00:00:47,140 What is the word of five? 14 00:00:47,440 --> 00:00:48,390 Ten to the power one. 15 00:00:48,790 --> 00:00:50,020 What is the word of two? 16 00:00:50,650 --> 00:00:51,570 Ten to the power two. 17 00:00:52,250 --> 00:00:53,530 OK, so what will I do? 18 00:00:53,590 --> 00:00:56,770 I really want to play each digit with its weight. 19 00:00:57,610 --> 00:01:06,130 So to multiply by ten squared plus five and to turn to the power one plus three in two. 20 00:01:06,550 --> 00:01:07,510 Ten to the power zero. 21 00:01:08,650 --> 00:01:10,090 Uncivilly 253. 22 00:01:10,990 --> 00:01:12,190 And that is perfectly fine. 23 00:01:13,120 --> 00:01:14,400 250 teaser decimal number. 24 00:01:14,410 --> 00:01:14,860 And I will. 25 00:01:15,040 --> 00:01:19,290 And if I will convert this decimal number into decimal number, the answer should be 253. 26 00:01:20,500 --> 00:01:22,320 And we are getting the same output. 27 00:01:23,510 --> 00:01:23,740 OK. 28 00:01:26,260 --> 00:01:27,190 Just a second. 29 00:01:31,820 --> 00:01:32,990 Now, the second conclusion. 30 00:01:35,860 --> 00:01:38,690 How will you convert a binding omelet? 31 00:01:39,970 --> 00:01:40,840 Duodecimal number. 32 00:01:43,430 --> 00:01:44,500 That brutal with him? 33 00:01:44,810 --> 00:01:45,440 What will I do? 34 00:01:49,850 --> 00:01:50,780 So what will I do? 35 00:01:51,140 --> 00:01:55,640 For example, two of the three was a dismal number and I have to convert into a decimal number. 36 00:01:56,150 --> 00:01:58,810 Similarly, one zero one is a tiny number. 37 00:01:58,940 --> 00:02:01,790 I have to convert this number in to our decimal number. 38 00:02:02,270 --> 00:02:06,890 So I will debate each digit with it, with and then add them up. 39 00:02:07,250 --> 00:02:10,520 Okay, so what is the rate of digit one? 40 00:02:12,010 --> 00:02:12,890 Read about zero. 41 00:02:14,010 --> 00:02:16,560 What is a very tough budget, zero for the department? 42 00:02:17,040 --> 00:02:19,980 And what is the weight of the Jetman to do the power to? 43 00:02:20,640 --> 00:02:26,610 So what we will do, we will multiply each digit with its corresponding with and add them up. 44 00:02:27,960 --> 00:02:34,560 So one multiply where two to the power, two plus zero multiplied by two to the power one. 45 00:02:35,740 --> 00:02:38,680 Plus one in two to that, about zero. 46 00:02:39,700 --> 00:02:43,620 OK, so four plus zero plus one. 47 00:02:43,990 --> 00:02:44,950 That is five. 48 00:02:45,670 --> 00:02:47,920 So one zero one in binary. 49 00:02:50,300 --> 00:02:53,060 It was five in decimal. 50 00:02:53,940 --> 00:02:59,180 OK, so one zero one in binary, is it close to five in decimal? 51 00:03:01,340 --> 00:03:03,820 OK, so let us look at Tarkan Vision. 52 00:03:07,890 --> 00:03:09,070 OK, tell you decimal. 53 00:03:14,280 --> 00:03:18,030 Supposed to 07 is a decimal, I'm sorry. 54 00:03:18,450 --> 00:03:20,400 Supposed to do seven is a octal number. 55 00:03:21,030 --> 00:03:23,520 You have to convert disappear number into decimal number. 56 00:03:24,180 --> 00:03:24,710 What is that weird? 57 00:03:24,710 --> 00:03:25,490 Double digit seven. 58 00:03:25,680 --> 00:03:26,630 It will about zero. 59 00:03:27,030 --> 00:03:28,590 What is the rate of digit zero? 60 00:03:29,170 --> 00:03:29,930 It's the bottom one. 61 00:03:30,420 --> 00:03:31,710 What is the rate of digital? 62 00:03:32,860 --> 00:03:33,420 It's great. 63 00:03:33,970 --> 00:03:39,520 So multiply each digit with its corresponding grid and add them up. 64 00:03:40,710 --> 00:03:43,150 So do and do it the power to. 65 00:03:44,290 --> 00:03:45,400 Plus zero. 66 00:03:45,430 --> 00:03:47,020 And do it to the power of. 67 00:03:48,110 --> 00:03:50,720 Plus seven to eight with about zero. 68 00:03:51,790 --> 00:03:57,650 OK, so here I am having 128 plus zero plus seven. 69 00:03:58,370 --> 00:04:00,080 That is one thirty five. 70 00:04:01,740 --> 00:04:07,790 So two zero seven in octal is equal to 135. 71 00:04:08,910 --> 00:04:10,020 In decimal. 72 00:04:11,730 --> 00:04:16,140 So the approach is very simple, if we want to convert any number to decimal number. 73 00:04:16,590 --> 00:04:21,450 Multiply each digit with its corresponding weight and add them up. 74 00:04:22,200 --> 00:04:25,380 So let us convert hexadecimal decimal. 75 00:04:26,530 --> 00:04:34,670 So the fourth conclusion is, how will you convert hexadecimal number to a decimal number? 76 00:04:39,390 --> 00:04:44,880 Hexadecimal to decimal, suppose one day three is my hexadecimal number. 77 00:04:45,150 --> 00:04:47,100 I can read this a mango decimal number. 78 00:04:47,610 --> 00:04:48,950 What is that with a double digit tree? 79 00:04:49,470 --> 00:04:50,640 Sixteen to the power zero. 80 00:04:51,240 --> 00:04:52,670 What is the weight of digit D.. 81 00:04:52,890 --> 00:04:53,960 Sixteen to the power on. 82 00:04:54,390 --> 00:05:01,620 And similarly, sixteen to the power to so multiply each digit with its corresponding weight and add 83 00:05:01,620 --> 00:05:02,040 them up. 84 00:05:02,910 --> 00:05:04,110 So one in two. 85 00:05:04,170 --> 00:05:05,310 Sixteen to the power to. 86 00:05:06,720 --> 00:05:09,210 Bless deals in sixteen to the power when. 87 00:05:11,060 --> 00:05:13,590 Blessed clean to 60 and with about zero. 88 00:05:15,500 --> 00:05:21,230 So 256 glass, what is the value of is it goes to 13. 89 00:05:21,560 --> 00:05:25,880 If you remember A, B, C, D, E and F. 90 00:05:25,970 --> 00:05:28,760 So ten, eleven, twelve and thirteen. 91 00:05:29,450 --> 00:05:30,590 So these 13. 92 00:05:31,740 --> 00:05:34,010 So 13 multiply where 16. 93 00:05:35,460 --> 00:05:36,650 Gless three. 94 00:05:38,130 --> 00:05:41,160 So to have these six plus. 95 00:05:42,160 --> 00:05:42,940 Two zero eight. 96 00:05:43,950 --> 00:05:45,000 Plus three. 97 00:05:45,360 --> 00:05:48,540 So the answer will be four, six and seven. 98 00:05:50,020 --> 00:05:58,830 OK, so one lately in hexadecimal, that is with the base, 16 is equals two four, six, seven with 99 00:05:58,830 --> 00:05:59,970 the base 10. 100 00:06:02,280 --> 00:06:04,020 OK, so the approach is very simple. 101 00:06:05,280 --> 00:06:06,700 So let us revise. 102 00:06:10,650 --> 00:06:16,590 So first we have to convert any number to a decimal number, for example, given our decimal number. 103 00:06:16,750 --> 00:06:19,800 I have to convert this decimal number to decimal again. 104 00:06:20,490 --> 00:06:22,200 So I told you, that approach is very simple. 105 00:06:22,320 --> 00:06:26,430 Multiply each digit with its corresponding with and add them up. 106 00:06:26,760 --> 00:06:30,390 For example, we're double digit to is ten to the power to Weirton. 107 00:06:30,390 --> 00:06:32,670 Digit favors tend to the Barwin assembly. 108 00:06:32,700 --> 00:06:33,900 Elevator to your trees. 109 00:06:33,960 --> 00:06:34,600 Ten to the power. 110 00:06:34,620 --> 00:06:34,890 Zero. 111 00:06:35,280 --> 00:06:40,050 So multiply each digit with its corresponding with and add them up. 112 00:06:40,500 --> 00:06:40,770 Okay. 113 00:06:40,860 --> 00:06:41,730 We have to add them. 114 00:06:45,130 --> 00:06:49,510 For example, if you want to convert a binding number to a decimal number, suppose one zero one is 115 00:06:49,510 --> 00:06:50,200 a binary number. 116 00:06:50,890 --> 00:06:53,440 The first step is to find weird of each digit. 117 00:06:54,720 --> 00:06:59,510 So the good one has a word often with about zero zero zero has a rate of 10 to the Parvin. 118 00:06:59,910 --> 00:07:02,580 And the good one has a rate of two square. 119 00:07:03,630 --> 00:07:09,240 Simple multiply each digit with its corresponding weight and add them up. 120 00:07:10,260 --> 00:07:10,740 Simple. 121 00:07:11,130 --> 00:07:12,720 OK, let's take another example. 122 00:07:13,560 --> 00:07:14,070 One one. 123 00:07:14,070 --> 00:07:14,880 One in binary. 124 00:07:16,420 --> 00:07:21,130 One one in binary is equal to how much in decimal. 125 00:07:21,940 --> 00:07:24,610 So what is the rate of digit one toward about zero? 126 00:07:24,910 --> 00:07:26,500 Then I am having to to the power one. 127 00:07:26,560 --> 00:07:28,270 And then I am I mean, to the power two. 128 00:07:29,050 --> 00:07:30,580 So two squared plus two. 129 00:07:30,580 --> 00:07:32,500 The one that's true to the power to zero. 130 00:07:32,650 --> 00:07:33,790 The answer is seven. 131 00:07:34,480 --> 00:07:38,920 So one one one in binary equals two seven in decimal. 132 00:07:40,430 --> 00:07:42,290 OK, so the approach is very simple. 133 00:07:43,820 --> 00:07:47,500 Now, the car can imagine that we did was how we look on Murdoch. 134 00:07:47,560 --> 00:07:54,410 The number two decimal number seems step find words for each digit, multiply the digit with the corresponding 135 00:07:54,410 --> 00:07:54,710 word. 136 00:07:56,670 --> 00:07:57,790 And added them up. 137 00:07:59,580 --> 00:08:01,650 OK, so the approach is very, very simple. 138 00:08:03,090 --> 00:08:06,170 Now, the next convention that we looked was hexadecimal to decimal. 139 00:08:06,630 --> 00:08:08,610 Again, the approach was very simple. 140 00:08:10,380 --> 00:08:11,850 So the approach is very simple. 141 00:08:11,970 --> 00:08:17,130 Find a way out of each digit and multiply the digit with its corresponding with. 142 00:08:18,570 --> 00:08:19,890 And finally, Adam. 143 00:08:21,780 --> 00:08:22,410 Very simple. 144 00:08:22,920 --> 00:08:23,160 OK. 145 00:08:24,240 --> 00:08:26,610 So let us do the reverse. 146 00:08:27,380 --> 00:08:30,570 Reverse means how will you convert a decimal to binary? 147 00:08:30,930 --> 00:08:36,420 So first, if I remember weighted by neutral decimal, now we will do. 148 00:08:36,570 --> 00:08:39,990 How will you convert a decimal number to a binding number? 149 00:08:40,020 --> 00:08:44,090 How will you convert decimal to binary so wedded to the load for conversions? 150 00:08:44,910 --> 00:08:48,360 We should say three because it is not a conversion for about it. 151 00:08:48,930 --> 00:08:54,740 So the main conversions were three by four decimal octal decimal and hexadecimal decimal. 152 00:08:55,110 --> 00:09:02,040 Now we will reverse that as decimal to hexadecimal and then decimal to octal and then. 153 00:09:04,060 --> 00:09:04,830 I do, bindery. 154 00:09:05,370 --> 00:09:08,370 So first let us do decimal to binary. 155 00:09:11,060 --> 00:09:14,780 So decimal to binary. 156 00:09:18,350 --> 00:09:21,350 But there are some steps and we have to follow the steps. 157 00:09:23,360 --> 00:09:24,650 So the approach is very simple. 158 00:09:25,010 --> 00:09:26,570 I have to repeatedly divide. 159 00:09:28,620 --> 00:09:31,980 Reportedly a bitterly divided. 160 00:09:34,450 --> 00:09:41,020 By base, who is a base, for example, in this case, I have to report you divided by two. 161 00:09:42,080 --> 00:09:45,670 Okay, till we get zero. 162 00:09:46,600 --> 00:09:49,000 Let us understand the state run with the help of an example. 163 00:09:49,870 --> 00:09:50,560 Suppose. 164 00:09:51,900 --> 00:09:55,560 In another example, one zero one in binary corresponds to five in decimal. 165 00:09:55,890 --> 00:09:57,750 So let's convert five into one zero one. 166 00:09:58,590 --> 00:09:59,520 So what do I do here? 167 00:10:00,300 --> 00:10:02,370 I have to repeatedly divide by two. 168 00:10:02,800 --> 00:10:03,280 Why do. 169 00:10:03,690 --> 00:10:05,460 Because two is to be a binary. 170 00:10:06,330 --> 00:10:06,990 So two here. 171 00:10:08,480 --> 00:10:09,560 So, too, does our food. 172 00:10:09,800 --> 00:10:11,000 What is the reminder when? 173 00:10:11,270 --> 00:10:11,810 Right here. 174 00:10:12,080 --> 00:10:13,120 So this is a reminder. 175 00:10:17,140 --> 00:10:18,400 Then again, divide by two. 176 00:10:19,150 --> 00:10:20,680 So the remainder is zero. 177 00:10:21,550 --> 00:10:22,780 Then again, divide by two. 178 00:10:24,280 --> 00:10:25,840 So here I am having zero. 179 00:10:25,870 --> 00:10:27,430 And the remainder is one. 180 00:10:28,410 --> 00:10:31,560 OK, so your answer will be from bottom to top. 181 00:10:32,490 --> 00:10:39,660 So the answer is one zero and one, this will be my MSP and Masowe means most significant, but that 182 00:10:39,660 --> 00:10:40,500 is this bit. 183 00:10:41,190 --> 00:10:44,250 And this is least significant bit. 184 00:10:44,820 --> 00:10:45,970 That is this bit. 185 00:10:46,460 --> 00:10:52,800 So the most important step is you have to right from bottom to top your answer, be from bottom to top. 186 00:10:54,900 --> 00:10:56,640 OK, so let us take another example. 187 00:11:01,650 --> 00:11:04,680 Suppose one zero zero one zero. 188 00:11:05,250 --> 00:11:06,660 Suppose this is my binary number. 189 00:11:06,690 --> 00:11:09,210 I will first convert this number into decimal. 190 00:11:09,690 --> 00:11:13,050 And then I will convert that decimal number again to binary. 191 00:11:14,000 --> 00:11:16,680 Okay, so one zero zero one zero. 192 00:11:17,220 --> 00:11:17,970 We're double digit. 193 00:11:17,970 --> 00:11:20,190 Zero is to the power zero. 194 00:11:20,640 --> 00:11:22,360 Then I'm having to do the power one. 195 00:11:22,410 --> 00:11:26,080 Then I'm having to give the power to then to the power forward. 196 00:11:26,250 --> 00:11:28,800 Then I'm having so to do the power tree. 197 00:11:29,460 --> 00:11:31,520 And then I'm having all of the power for. 198 00:11:32,220 --> 00:11:38,290 I can write simply like one, two, four, eight and sixteen. 199 00:11:38,290 --> 00:11:39,390 And so these are my words. 200 00:11:39,730 --> 00:11:48,680 Okay, so my answer will be 16 plus zero plus zero plus two plus zero. 201 00:11:49,780 --> 00:11:54,760 So we're did my output 18, so one zero zero one zero. 202 00:11:55,450 --> 00:11:59,080 In binary, is it close to it being in decimal? 203 00:12:00,320 --> 00:12:00,790 Symbol. 204 00:12:02,060 --> 00:12:05,790 Now we will convert it, Dean, that is decimal to binary. 205 00:12:07,210 --> 00:12:08,080 What was our approach? 206 00:12:08,110 --> 00:12:09,340 Our approach was very simple. 207 00:12:10,510 --> 00:12:12,130 Our approach was very simple. 208 00:12:12,340 --> 00:12:18,340 We will repeatedly divide by two by two because I have to convert this decimal number into binary. 209 00:12:18,940 --> 00:12:19,480 So two. 210 00:12:20,660 --> 00:12:21,650 Do nyanza it? 211 00:12:22,170 --> 00:12:23,040 What is the remainder? 212 00:12:23,220 --> 00:12:23,650 Zero. 213 00:12:25,250 --> 00:12:26,490 Dofor WSA, it. 214 00:12:26,790 --> 00:12:28,220 It is a reminder when. 215 00:12:29,300 --> 00:12:31,890 To do the four remaining days zero. 216 00:12:33,010 --> 00:12:35,920 Two Anzar to remain there is zero. 217 00:12:37,590 --> 00:12:42,400 Two zero zero remainder is when and amounts will be from bottom to top. 218 00:12:42,850 --> 00:12:45,640 So my answer is one zero zero one zero. 219 00:12:46,990 --> 00:12:47,770 You can see here. 220 00:12:51,070 --> 00:12:52,300 They both are same. 221 00:12:53,800 --> 00:12:55,200 So I hope you got the idea. 222 00:12:55,270 --> 00:12:58,480 How will we convert by nature, decimal and decimal to bring the. 223 00:13:00,430 --> 00:13:02,160 So let us look at Antiguan vision. 224 00:13:03,730 --> 00:13:08,960 We have to convert a decimal number to the lumber. 225 00:13:12,570 --> 00:13:15,570 So let's take an example, so here I was having. 226 00:13:17,100 --> 00:13:18,450 OK, so let's take an example. 227 00:13:18,540 --> 00:13:21,330 I will convert one thirty five to two zero seven. 228 00:13:22,470 --> 00:13:22,710 OK. 229 00:13:25,500 --> 00:13:29,550 So I will convert 135 to two zero seven. 230 00:13:30,000 --> 00:13:31,170 This is my decimal number. 231 00:13:32,040 --> 00:13:33,450 And this is my OCTA number. 232 00:13:33,750 --> 00:13:34,040 Okay. 233 00:13:35,810 --> 00:13:37,070 So the approach is very simple. 234 00:13:37,490 --> 00:13:38,750 I will here. 235 00:13:38,990 --> 00:13:40,910 I will repeatedly redivide away it. 236 00:13:42,240 --> 00:13:42,430 OK. 237 00:13:42,600 --> 00:13:48,960 So I will divide by eight repeatedly because I have to convert and two of the lumber till we get a zero. 238 00:13:49,590 --> 00:13:52,730 So I am having 135, my decimal number. 239 00:13:54,110 --> 00:13:56,810 And we have to liberty to lead the way by it. 240 00:13:57,020 --> 00:13:57,290 OK. 241 00:13:58,070 --> 00:14:03,140 So when and then six, that is seven. 242 00:14:04,390 --> 00:14:06,250 And then I will have it. 243 00:14:06,830 --> 00:14:12,160 Who's 16 when there is zero and eight zero? 244 00:14:12,790 --> 00:14:14,130 And the remainder is two. 245 00:14:14,200 --> 00:14:17,230 So as I will be from bottom to top, so to 07. 246 00:14:20,820 --> 00:14:21,070 OK. 247 00:14:21,620 --> 00:14:24,950 So we have to repeatedly divide May eight. 248 00:14:26,330 --> 00:14:30,200 Divide by it repeatedly till we get to zero. 249 00:14:31,740 --> 00:14:33,990 In another example, when I was to convert. 250 00:14:37,190 --> 00:14:41,420 When I was converting a decimal to binary, I was repeatedly divided by two. 251 00:14:41,600 --> 00:14:42,890 Will we get a zero? 252 00:14:44,200 --> 00:14:50,160 OK, so now our last conclusion, hexadecimal to decimal. 253 00:14:50,650 --> 00:14:53,840 We will do reverse from decimal to hexadecimal. 254 00:14:54,500 --> 00:14:56,660 Okay, so let's take four, six to seven. 255 00:14:57,290 --> 00:15:00,830 So four, six to seven in decimal equals one. 256 00:15:00,860 --> 00:15:05,080 The three in hexadecimal, four. 257 00:15:05,080 --> 00:15:05,750 Six to seven. 258 00:15:05,780 --> 00:15:06,140 Okay. 259 00:15:16,200 --> 00:15:20,820 So we have to convert our decimal number to hexadecimal. 260 00:15:23,990 --> 00:15:24,920 How we will convert? 261 00:15:25,640 --> 00:15:32,780 We will repeatedly divide by 16 because we have to convert and to hexadecimal number and tell how much 262 00:15:32,780 --> 00:15:33,360 we will divide. 263 00:15:33,500 --> 00:15:34,370 Till we get to zero. 264 00:15:35,520 --> 00:15:36,760 So 467. 265 00:15:37,950 --> 00:15:39,900 And here I am having 16. 266 00:15:41,930 --> 00:15:42,140 OK. 267 00:15:44,240 --> 00:15:47,210 So 16 to an. 268 00:15:48,060 --> 00:15:48,430 Nine. 269 00:15:48,750 --> 00:15:49,770 And the remainder is. 270 00:15:50,750 --> 00:15:51,110 Three. 271 00:15:52,250 --> 00:15:52,960 16. 272 00:15:54,610 --> 00:16:02,440 Winzer 16 and the remainder is 13, 16 zero, and the remainder is when. 273 00:16:02,730 --> 00:16:05,200 So my output will be from boredom to top. 274 00:16:05,650 --> 00:16:08,290 That is one 13 and three. 275 00:16:09,040 --> 00:16:10,340 So today is D. 276 00:16:10,510 --> 00:16:13,000 And guess what are dynasty? 277 00:16:13,420 --> 00:16:19,930 So for six to seven in decimal equals one day, three in hexadecimal. 278 00:16:21,810 --> 00:16:23,090 So I hope you got diarrhea. 279 00:16:23,400 --> 00:16:29,490 Basically the airfield and we will follow that cruise only, so let us advise. 280 00:16:33,880 --> 00:16:41,260 OK, so if we want to convert an enormous system into decimal number system, our approach will be very 281 00:16:41,260 --> 00:16:41,710 simple. 282 00:16:41,980 --> 00:16:45,490 What we will do, we will find veered off each digit. 283 00:16:46,300 --> 00:16:48,100 Find a way out of each digit 284 00:16:51,130 --> 00:16:55,420 and multiply digit with their weight and add them up. 285 00:16:56,060 --> 00:17:00,150 OK, so for example, here I was having binary decimal. 286 00:17:00,820 --> 00:17:05,240 Find a way out of each digit and multiplied them with their corresponding word. 287 00:17:06,070 --> 00:17:07,540 And then add them up. 288 00:17:08,680 --> 00:17:10,270 So this conclusion was very easy. 289 00:17:10,820 --> 00:17:15,820 Now the second type of conversion, how will you convert a decimal number to any other number system? 290 00:17:16,230 --> 00:17:16,490 OK. 291 00:17:16,960 --> 00:17:22,780 So decimal to any approach was very simple. 292 00:17:23,470 --> 00:17:29,170 We will divide decimal number repeatedly by the base of any number that we want to convert to. 293 00:17:29,560 --> 00:17:30,880 So the approach is very simple. 294 00:17:30,970 --> 00:17:34,970 If you want to convert decimal to binary, I will repeatedly divide by two. 295 00:17:35,090 --> 00:17:35,980 So divide by two. 296 00:17:36,070 --> 00:17:36,790 Divide by two. 297 00:17:36,790 --> 00:17:37,550 And divide by two. 298 00:17:37,960 --> 00:17:39,550 And write remainder here. 299 00:17:40,240 --> 00:17:42,460 And till we get to zero, we have to divide. 300 00:17:42,520 --> 00:17:45,310 And our answer will be from bottom to top. 301 00:17:45,640 --> 00:17:45,930 Okay. 302 00:17:48,210 --> 00:17:49,570 You can see when one example here. 303 00:17:52,050 --> 00:17:52,770 We want to convert. 304 00:17:52,830 --> 00:17:53,750 That's my daughter. 305 00:17:54,500 --> 00:17:58,210 So we'll divide by eight, divided by eight, divided by age divide. 306 00:17:58,330 --> 00:18:00,090 Wait till we get to zero. 307 00:18:00,750 --> 00:18:02,940 And here I am having Remender. 308 00:18:05,350 --> 00:18:07,900 And our answer will be from bottom to top. 309 00:18:08,550 --> 00:18:08,810 OK. 310 00:18:10,060 --> 00:18:12,160 Similarly for a dismal number. 311 00:18:13,300 --> 00:18:16,510 I will divide by 16, divide by 16, divide by 16. 312 00:18:16,600 --> 00:18:17,830 Then we get to zero. 313 00:18:18,100 --> 00:18:19,930 And here I am, I being remender. 314 00:18:21,250 --> 00:18:23,980 And our answer will be from bottom to top. 315 00:18:24,760 --> 00:18:28,630 OK, so here we are converting numbers manually. 316 00:18:28,840 --> 00:18:35,320 We are using pen and paper for convergence in upcoming videos when we will learn C++. 317 00:18:36,580 --> 00:18:39,140 When we learn C++, we will write code for this. 318 00:18:39,320 --> 00:18:44,200 Okay, so the input will be a decimal number and the output will be hexadecimal number. 319 00:18:44,900 --> 00:18:45,170 Okay. 320 00:18:45,800 --> 00:18:49,640 So in upcoming, we do we will write code for it. 321 00:18:49,670 --> 00:18:50,420 We will write code. 322 00:18:51,410 --> 00:18:56,540 So now you may be thinking, how will you convert a hexadecimal number. 323 00:18:59,150 --> 00:18:59,760 Do I know? 324 00:18:59,960 --> 00:19:00,320 No. 325 00:19:01,360 --> 00:19:02,470 We have not covered this. 326 00:19:02,870 --> 00:19:03,970 But how will you convert? 327 00:19:04,210 --> 00:19:05,440 So the approach is very simple. 328 00:19:05,830 --> 00:19:11,680 First come, first convert the decimal to decimal and then convert decimal to octal. 329 00:19:12,460 --> 00:19:12,940 Simple. 330 00:19:13,630 --> 00:19:20,860 What if we want to convert a binary number to, let's say, hexadecimal number? 331 00:19:21,910 --> 00:19:23,890 So that when the approach is very simple. 332 00:19:24,010 --> 00:19:24,700 What do you do? 333 00:19:25,240 --> 00:19:30,190 You will first convert by nature decimal and then you'll convert the decimal to hexadecimal. 334 00:19:32,130 --> 00:19:37,110 OK, so all of that convergence can be derived from the convergence that we have, Denbo. 335 00:19:37,170 --> 00:19:41,660 So no need of learning how we look onward decimal too often. 336 00:19:41,790 --> 00:19:48,120 Actually, there are some ways there are some ways in which we can directly convert, but there is no 337 00:19:48,120 --> 00:19:48,420 need. 338 00:19:48,530 --> 00:19:49,710 Actually, they are never used. 339 00:19:50,820 --> 00:19:56,000 We will never use it, at least in C++, at least in this language, at least in discourse. 340 00:19:56,760 --> 00:19:58,740 We will never require this type of convergence. 341 00:19:59,630 --> 00:19:59,900 Okay. 342 00:20:01,630 --> 00:20:05,640 OK, so we have done many conversions, so out of this conversion. 343 00:20:06,400 --> 00:20:08,340 There are two very important conversion there. 344 00:20:08,460 --> 00:20:09,730 You must remember. 345 00:20:10,280 --> 00:20:13,340 So the first one is buying into decimal. 346 00:20:14,230 --> 00:20:16,270 And the second one is decimal to binary. 347 00:20:17,200 --> 00:20:21,490 So these two numbers system, these two conversions, you should must remember. 348 00:20:24,310 --> 00:20:25,210 So these are most. 349 00:20:26,200 --> 00:20:27,730 So you have to practice that much. 350 00:20:27,770 --> 00:20:31,840 That you can or convert a binding number to a decimal number. 351 00:20:32,300 --> 00:20:34,480 OK, so do so my situation. 352 00:20:34,480 --> 00:20:38,690 Will we do some practice, take some examples and do a little bit practice. 353 00:20:38,740 --> 00:20:41,390 How will you convert a binding number to a decimal number? 354 00:20:42,950 --> 00:20:43,200 OK. 355 00:20:43,970 --> 00:20:47,410 So I think that's enough. 356 00:20:48,480 --> 00:20:50,110 So this is it for today's video. 357 00:20:50,850 --> 00:20:51,870 I will see you in the next one.