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 Categories >> Software >> Programming Languages >> C++ >> C++ General

 STL Interview Questions (90) OOPS Interview Questions (554) C++ General Interview Questions (458)
Question
`How many bit combinations are there in a byte?`
Question Submitted By :: Alok Hisaria
I also faced this Question!!     Rank Answer Posted By

Re: How many bit combinations are there in a byte?
# 1
Byte contains the 8 Bits and bit contains either the value
0 or 1. there are only two states there will be 255
combinations i.e.(2 raise to power 8 minus 1)
combinations .

 Is This Answer Correct ? 18 Yes 45 No
Anita Sachdeva

Re: How many bit combinations are there in a byte?
# 2
There'll actually be 256 combinations. The maximum value
that can be represented with a byte (8 - bits) is 255 but as
far as combinations are concerned 0 should also be
considered as well as 1, 2, 3, ..., 255. So there are total
256 combinations.

 Is This Answer Correct ? 83 Yes 7 No
Abdullah Javid

Re: How many bit combinations are there in a byte?
# 3
ya they r right.
 Is This Answer Correct ? 5 Yes 12 No
Krishna

Re: How many bit combinations are there in a byte?
# 4
2 raise to no. of byte ie. for three byte ,8 bit combination
 Is This Answer Correct ? 4 Yes 13 No
Bari

Re: How many bit combinations are there in a byte?
# 5
the first two answers are right
 Is This Answer Correct ? 3 Yes 13 No
Saranya

Re: How many bit combinations are there in a byte?
# 6
256 combinations.Byte contains the 8 Bits and bit contains
either the value 0 or 1.i.e.(2 raise to power 8 minus
1).The maximum number of value represented with a byte is 8
bits is 255 but 0 should also be considered as well as 1,
2, 3, ..., 255. So there are total
256 combinations.

 Is This Answer Correct ? 12 Yes 4 No
Santosh Shah

Re: How many bit combinations are there in a byte?
# 7
it is 2^8
means 2 ^ no of bits
means 256....
:)

 Is This Answer Correct ? 17 Yes 2 No
Vaibhav Meena

Re: How many bit combinations are there in a byte?
# 8
255 0nly
 Is This Answer Correct ? 4 Yes 22 No
Prakash

Re: How many bit combinations are there in a byte?
# 9
There are 256 combinations as 00000000 is classed a one
combination. plus the other 255 combinations. Answer 8 is

 Is This Answer Correct ? 15 Yes 2 No
Azza

Re: How many bit combinations are there in a byte?
# 10
if number of bite values is n, and length of the byte is k.
that means n = 2, k = 8.
for n even => n^k
(2^8 = 256)
for n odd => n^k - 1
(2^7 - 1 = 128-1 = 127)

 Is This Answer Correct ? 5 Yes 12 No
Panaitsdv

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