Recent questions tagged number-system

3 votes
0 answers
122
Consider a $3$ digit number All digit are distinctNumber is divisible by $7$After reversing the digit number is also divisible by $7$.How many such numbers are possible?$...
0 votes
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123
The r ’s compliment of an n -digit decimal number N in base r is defined for all values of N except for N = 0. If the given number is (247)9, then its 9’s compliment...
1 votes
1 answer
124
(61)x-(43)x=(16)x
3 votes
1 answer
125
The r ’s compliment of an n-digit decimal number N in base r is defined for all values of N except for N = 0. If the given number is (247)9, then its 9’s compliment w...
5 votes
1 answer
126
2 votes
1 answer
127
0 votes
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128
The Gray code for ($A5$) $16$ is equivalent to$10010101$$11010101$$11011111$$11011011$
1 votes
2 answers
132
0 votes
2 answers
133
Which of the following binary number is equal to octal number 66.3 a) 101101.100b) 1101111.111c) 111111.1111d) 110110.011
5 votes
2 answers
134
1 votes
3 answers
137
consider the number: 5324+2342=(7666) of base rwhat is the value of r:a.8b.10c.16d.>=8
1 votes
2 answers
138
$2’s$ complements representation of the following decimal number $-(105.75)_{10}$ is:$10010110.01$$10011110.01$$10001110.10$$11001011.10$
1 votes
2 answers
141
3 votes
3 answers
142
2 votes
2 answers
143
What is decimal equivalent of BCD 11011.1100 ?(A) 22.0 (B) 22.2 (C) 20.2 (D) 21.2
3 votes
1 answer
145
$\sqrt{36_{r1}+25_{r2}}$ = 21r3Find r1 r2 r3.. ?
3 votes
3 answers
146
represent number 6248 inBCDexcess three code2421 code6311 code
1 votes
2 answers
147
A number system uses 20 as the radix. The excess code that is necessary for its equivalent binary coded representation is ?