4. 2-2-1 將二、八、十六進位數字轉換成十進位數字 (1/4)
5621.7810= (5 x 1000) + (6 x 100) + (2 x 10) +
(1 x 1) + (7 x 0.1) + (8 x 0.01)
= (5 x 103) + (6 x 102) + (2 x 101) +
(1 x 100) + (7 x 10-1) + (8 x 10-2)
P.2-6
5. 51763.28 = (5 x 84) + (1 x 83) + (7 x 82) +
(6 x 81) + (3 x 80) + (2 x 8-1)
= (5 x 4096) + (1 x 512) + (7 x 64) +
(6 x 8) + (3 x 1) + (2 x 0.125)
= 2048010 + 51210 + 44810 + 4810 + 310 + 0.2510
= 21491.2510
P.2-6
2-2-1 將二、八、十六進位數字轉換成十進位數字 (2/4)
6. F2A9.C16 = (F x 163) + (2 x 162) + (A x 161) +
(9 x 160) + (C x 16-1)
= (15 x 4096) + (2 x 256) + (10 x 16) +
(9 x 1) + (12 x 0.0625)
= 6144010 + 51210 + 16010 + 910 + 0.7510
= 62121.7510
P.2-6
2-2-1 將二、八、十六進位數字轉換成十進位數字 (3/4)
7. 10110.00112 = (1 x 24) + (0 x 23) + (1 x 22) +
(1 x 21) + (0 x 20) + (0 x 2-1) +
(0 x 2-2) + (1 + 2-3) +(1 + 2-4)
= (1 x 16) + (0 x 8) + (1 x 4) +
(1 x 2) + (0 x 1) + (0 x 0.5) +
(0 x 0.25) + (1 x 0.125) +
(1 x 0.0625)
= 1610 + 410 + 210 + 0.12510 + 0.062510
= 22.187510
P.2-6
2-2-1 將二、八、十六進位數字轉換成十進位數字 (4/4)