д)237,73 (10) = 11101101 ,10111(2) =355.5656(8) =ED.BAE(16)
237,0 | 2,0 |
236,0 | 118,0 | 2,0 |
1,0 | 118,0 | 59,0 | 2,0 |
0,0 | 58,0 | 29,0 | 2,0 |
1,0 | 28,0 | 14,0 | 2,0 |
1,0 | 14,0 | 7,0 | 2,0 |
| 0,0 | 6,0 | 3,0 | 2,0 |
1,0 | 2,0 | 1,0 | 2,0 |
1,0 | 0,0 | 0,0 |
1,0 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
128 | 64 | 32 | 8 | 4 | 1 | 237 |
0,730 | * | 2 | | 1,460 |
0,460 | * | 2 | = | 0,920 |
0,920 | * | 2 | = | 1,840 |
0,840 | * | 2 | = | 1,680 |
0,680 | * | 2 | = | 1,360 |
237,000 | 8,000 |
232,000 | 29,000 | 8,000 |
5,000 | 24,000 | 3,000 |
5,000 | 3,000 |
4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 | 3,1E-05 |
3,000 | 5,000 | 5,000 | 5 | 6 | 5 | 6 |
237 | 0 | 192 | 40 | 5 | 0,625 | 0,09375 | 0,00977 | 0,00146 | 0,72998 |
237,7300 |
237,000 | 16,000 |
224,000 | 14,000 |
13,000 |
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
14 | 13 | 11 | 10 | 14 |
237 | 0 | 224 | 13 | 0,6875 | 0,0390625 | 0,7265625 |
237,727 |
0,730 | * | 16 | = | 11,680 | B |
0,680 | * | 16 | = | 10,880 | A |
0,880 | * | 16 | = | 14,080 | E |
2. Перевести данное число в десятичную систему счисления
а)110001111(2) =399 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
256 | 128 | 8 | 4 | 2 | 1 | 399 |
б)111010001(2) =465 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 |
256 | 128 | 64 | 16 | 1 | 465 |
в)100110101,1001(2) =309,5625 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 |
256 | 32 | 16 | 4 | 1 | 309 |
1 | 0 | 0 | 1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,5625 | 0,5 | 0 | 0 | 0,063 |
г)1000010,01011(2) =66,34375 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 0 | 1 | 0 |
64 | 2 | 66 |
0 | 1 | 0 | 1 | 1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,34375 | 0 | 0,25 | 0 | 0,063 | 0,031 |
д)176,5(8) = 126.625(10)
4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 | 3,1E-05 |
1,000 | 7,000 | 6,000 | 5 |
126 | 0 | 64 | 56 | 6 | 0,625 | 0 | 0 | 0 | 0,625 |
126,6250 |
е)3 D2 ,04(16) = 978.016(10)
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
3 | 13 | 2 | 0 | 4 |
978 | 768 | 208 | 2 | 0 | 0,015625 | 0,015625 |
978,016 |
978,000 | 16,000 |
976,000 | 61,000 | 16,000 |
2,000 | 48,000 | 3,000 |
13,000 |
0,016 | * | 16 | = | 0,256 | 0,000 |
0,256 | * | 16 | = | 4,096 | 4 |
3. Сложить все числа
а)1000011101(2) +101000010(2) =541(10) +322(10) = 1101011111 (2) =863(10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
512 | 0 | 0 | 0 | 0 | 16 | 8 | 4 | 0 | 1 | 541 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
0 | 256 | 0 | 64 | 0 | 0 | 0 | 0 | 2 | 0 | 322 |
863 |
+ | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
512 | 256 | 0 | 64 | 0 | 16 | 8 | 4 | 2 | 1 | 863 |
б)100000001(2) +1000101001(2) =257(10) +553(10) = 1100101010 (2) =810(10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
0 | 256 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 257 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
512 | 0 | 0 | 0 | 32 | 0 | 8 | 0 | 0 | 1 | 553 |
810 |
+ | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 |
512 | 256 | 0 | 0 | 32 | 0 | 8 | 0 | 2 | 0 | 810 |
в)101111011,01(2) +1000100,101(2) =379,25(10) +68,625(10) = (2) =447,875(10)
0 | 1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,25 | 0 | 0,25 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
0 | 256 | 0 | 64 | 32 | 16 | 8 | 0 | 2 | 1 | 379 |
379,25 |
1 | 0 | 1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,625 | 0,5 | 0 | 0,125 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 0 |
0 | 0 | 0 | 64 | 0 | 0 | 0 | 4 | 0 | 0 | 68 |
68,625 |
447,875 |
+ | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | , | 0 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 0 | , | 1 | 0 | 1 |
1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | , | 1 | 1 | 1 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
0 | 256 | 128 | 0 | 32 | 16 | 8 | 4 | 2 | 1 | 447 |
1 | 1 | 1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,875 | 0,5 | 0,25 | 0,125 |
г)1532,14(8) +730,16(8) = 858.1875(10) +472.2188(10) =1330.41 (10) =2462.32172(8)
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 |
1,000 | 5,000 | 3,000 | 2,000 | 1 | 4 |
858 | 0 | 512 | 320 | 24 | 2 | 0,125 | 0,0625 | 0 | 0,1875 |
858,1875 |
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 |
7,000 | 3,000 | 0,000 | 1 | 6 |
472 | 0 | 0 | 448 | 24 | 0 | 0,125 | 0,09375 | 0 | 0,21875 |
472,2188 |
+ | 1 | 5 | 3 | 2 | , | 1 | 4 |
7 | 3 | 0 | , | 1 | 6 |
2 | 4 | 6 | 2 | , | 3 | 2 |
4+6=12
5+7=14 |
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 | 3,1E-05 |
2,000 | 4,000 | 6,000 | 2,000 | 3 | 2 | 1 | 7 | 2 |
1330 | 0 | 1024 | 256 | 48 | 2 | 0,375 | 0,03125 | 0,00195 | 0,00171 | 6,1E-05 |
1330,4100 |
д) BB,4 (16) +2F0,6 (16) = 187,25 (1 0 ) +752.375 (1 0) =939.625(10) =
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
11 | 11 | 4 |
187 | 0 | 176 | 11 | 0,25 | 0 | 0,25 |
187,250 |
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
2 | 15 | 0 | 6 |
752 | 512 | 240 | 0 | 0,375 | 0 | 0,375 |
752,375 |
+ | 2 | F | 0 | , | 6 |
B | B | , | 4 |
3 | A | B | , | A |
10 | 11 | 10 |
F+B=1A
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
3 | 10 | 11 | 10 |
939 | 768 | 160 | 11 | 0,625 | 0 | 0,625 |
939,625 |
4. Выполнить вычитание
а)1000101110(2) -1111111(2) =558 (10) -127 (10) = 110101111 (2) = 431 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 |
512 | 0 | 0 | 0 | 32 | 0 | 8 | 4 | 2 | 0 | 558 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
0 | 0 | 0 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | 127 |
- | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
0 | 256 | 128 | 0 | 32 | 0 | 8 | 4 | 2 | 1 | 431 |
б)1011101000(2) -1001000000(2) =744 (10) -576 (10) = 10101000 (2) = 168 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
512 | 0 | 128 | 64 | 32 | 0 | 8 | 0 | 0 | 0 | 744 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
512 | 0 | 0 | 64 | 0 | 0 | 0 | 0 | 0 | 0 | 576 |
- | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
128 | 0 | 32 | 0 | 8 | 0 | 0 | 0 | 168 |
в)1000101001,1 (2) -1111101,1 (2) =553.5 (10) -125.5 (10) = 110101100,0 (2) = 428.0 (10)
1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,5 | 0,5 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
512 | 0 | 0 | 0 | 32 | 0 | 8 | 0 | 0 | 1 | 553 |
553,50 |
1 |
0,5 | 0,25 | 0,125 | 0,063 | 0,031 | 0,02 | 0,01 | 0,0039 | 0,002 | 0,001 |
0,5 | 0,5 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 1 | 1 | 1 | 0 | 1 |
0 | 0 | 0 | 64 | 32 | 16 | 8 | 4 | 0 | 1 | 125 |
125,500 |
428,000 |
- | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | , | 1 |
1 | 1 | 1 | 1 | 1 | 0 | 1 | , | 1 |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | , | 0 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 |
256 | 128 | 0 | 32 | 0 | 8 | 4 | 0 | 0 | 428 |
г)1265,2 (8) -610,2 (8) =693.25(10) -392.25(10) =301.00(10) =455.0(8)
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 |
1,000 | 2,000 | 6,000 | 5,000 | 2 |
693 | 0 | 512 | 128 | 48 | 5 | 0,25 | 0 | 0 | 0,25 |
693,2500 |
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 |
6,000 | 1,000 | 0,000 | 2 |
392 | 0 | 0 | 384 | 8 | 0 | 0,25 | 0 | 0 | 0,25 |
392,2500 |
- | 1 | 2 | 6 | 5 | , | 2 |
6 | 1 | 0 | , | 2 |
4 | 5 | 5 | , | 0 |
8+2-6=4 |
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 |
4,000 | 5,000 | 5,000 | 2 |
301 | 0 | 0 | 256 | 40 | 5 | 0,25 | 0 | 0 | 0,25 |
301,2500 |
д) 409, D(16) -270,4(16) =1033.813(10) -624.25(10) = 409.563(10) =199.9(16)
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
4 | 0 | 9 | 13 |
1033 | 1024 | 0 | 9 | 0,8125 | 0 | 0,8125 |
1033,813 |
4096 | 256 | 16 | 1 | , | 0,0625 | 0,003906 | 0,000244 | 1,53E-05 |
2 | 7 | 0 | 4 |
0 | 512 | 112 | 0 | 0,25 | 0 | 0 | 0 |
624 | 624,2500 | 0,25 |
- | 4 | 0 | 9 | , | D |
2 | 7 | 0 | , | 4 |
1 | 9 | 9 | , | 9 |
13-4=9
7+9=10→10-7=9
3-2=1 |
4096 | 256 | 16 | 1 | , | 0,0625 | 0,0039063 | 0,0002441 |
1 | 9 | 9 | 9 |
409 | 256 | 144 | 9 | 0,5625 | 0 | 0,5625 |
409,563 |
5. Выполнить умножение
а)111010(2) = *1100000(2) =58 (10) *96 (10) = 1010111000000(2) = 5568 (10)
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 1 | 0 | 1 | 0 |
32 | 16 | 8 | 0 | 2 | 0 | 58 |
512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 1 | 0 | 0 | 0 | 0 | 0 |
64 | 32 | 0 | 0 | 0 | 0 | 0 | 96 |
* | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 1 | 0 | 1 | 0 |
0 | 0 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 0 | 0 | 0 | 0 | 0 |
1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
4096 | 2048 | 1024 | 512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
4096 | 0 | 1024 | 0 | 256 | 128 | 64 | 0 | 0 | 0 | 0 | 0 | 0 | 5568 |
б)1005.5(8) *63.3(8) = 517,6250 (10) * 51,3750 (10) =26592.98(10) = 63740.7656(8)
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 |
1,000 | 0,000 | 0,000 | 5,000 | 5 |
517 | 0 | 512 | 0 | 0 | 5 | 0,625 | 0 | 0 | 0,625 |
517,6250 |
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,01563 | 0,00195 | 0,00024 |
6,000 | 3,000 | 3 |
51 | 0 | 0 | 0 | 48 | 3 | 0,375 | 0 | 0 | 0,375 |
51,3750 |
32768 | 4096 | 512 | 64 | 8 | 1 | , | 0,125 | 0,015625 | 0,0019531 | 0,0002441 |
6,000 | 3,000 | 7,000 | 4,000 | 0,000 | 7 | 6 | 5 | 6 |
26592 | 24576 | 1536 | 448 | 32 | 0 | 0,875 | 0,09375 | 0,0097656 | 0,9785156 |
26592,9785 |
* | 1 | 0 | 0, | 5 | 5 |
6, | 3 | 3 |
3 | 0 | 2 | 0 | 7 |
3 | 0 | 2 | 0 | 7 |
6 | 0 | 4 | 2 | 6 |
6 | 3 | 7 | 4 | 0, | 7 | 7 |
3*5=17
3*5+1=17+1=18→(2)0
3*0+2=2
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