Digital Electronics - Digital Concepts - Discussion

Discussion Forum : Digital Concepts - General Questions (Q.No. 41)
41.
How many binary bits are necessary to represent 748 different numbers?
9
7
10
8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
19 comments Page 1 of 2.

Panchakshari S H M said:   2 years ago
For 8 all 1's means it is 255,
For 7 all 1's means it is 127,
For 9 all 1's mean it is 511,
For 10 all 1's means, it is 1023.

So, the answer is 10.
(1)

Markin said:   2 years ago
@All.

You can also take a log to the base 2 of 748 and you get approximately 10 bits.
(1)

Avinash said:   5 years ago
8-4-2-1 process is used for binary to BCD conversion.

Rohit kk said:   7 years ago
748/16=(2EC)16,
(1011101100)2,
The number of digit =10.

Nisha said:   9 years ago
@Priyank. You are correct because it is very easy to understand these binary to decimal conversion method.

Faheem said:   10 years ago
Simple is that 748 is the decimal number so binary bit will be 10.

Rohit said:   10 years ago
Best and easy way is convert number into binary and count no. of bits required.

Arun said:   1 decade ago
@Priyank is very correct. Its standard method to find out binary to decimal. It will take less time too.

SHAIK MOULALI said:   1 decade ago
Thank you raji. That's quite easy method. Will it hold correct for similar question with different value.

Sirisha said:   1 decade ago
Agreeing with @Murugan.

Example: Take 99.

If 9(1001),9(1001) total of 8 bits.

But 99=1100011, see 7 bits are enough.

@Raji method of identification is wrong.


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