Question

3 .Convert the decimal numbers 18 and 27 to binary numbers.
4 . Convert the decimal numbers 106 to binary number.
5 .Convert the decimal numbers S4 and 51 to binary numbers.
6 .Convert the binary number 110010 to decimal number.
7. Convert the binary number 101010 to decimal number.
8.Convert the binary number 00111 into decimal number.
9 .Convert the binary number 01011 into decimal number.
10 .Convert the binary number 10100 into decimal number.
11. Convert the binary number 11011 into decimal number.
12. Convert the binary number 10011011 into decimal number.
13. Are the following values wrong? Why?
(a) 0128
(6) 010110
(c) 01012
(d) 10FG 16
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Answer 1

$1 ×2 {}^{4} =16$

$0×2 {}^{3}$

$0×2 {}^{2}$

$1×2 {}^{1} =2$

$0×2 {}^{0}$

$16+2=18$

$18 \: base−10=10010 \: base−2$

$1 ×2 {}^{4} =16$

$1 ×2 {}^{3} =8$

$0 ×2 {}^{2}$

$1 ×2 {}^{1} =2$

$1 ×2 {}^{0} =1$

$16+8+2+1=27$

$27 \: base−10=11011 \: base−2$