Electronics and Communication Engineering - Digital Electronics - Discussion
Discussion Forum : Digital Electronics - Section 1 (Q.No. 22)
22.
The greatest negative number which can be stored is 8 bit computer using 2's complement arithmetic is
Answer: Option
Explanation:
The largest negative number is 1000 0000 = -128.
Discussion:
16 comments Page 2 of 2.
Sandy said:
9 years ago
No, the largest positive no is 127.
132,64,32,16,8,4,2,1.
0 1 1 1 1 1 1 1.
132,64,32,16,8,4,2,1.
0 1 1 1 1 1 1 1.
Shubham said:
8 years ago
For 2's compliment.
The range is -(2^n-1) to +((2^n-1)-1) and this is different in the case of 1's and signed representation.
The range is -(2^n-1) to +((2^n-1)-1) and this is different in the case of 1's and signed representation.
Divyesh Makwana said:
8 years ago
The largest Negative number in 8 bit is 01111111 and 2's complement of it in 10000000 which is -127.
Pavan said:
7 years ago
And why 0111111 is largest? please explain.
Pavan said:
7 years ago
In 8bit, 11111111 is the largest right?
Jagdish said:
4 years ago
The Greatest negative number will be the smallest no. Since in negatives as no. Increases value decreases. So, the greatest 8 bit negative number is 10000000 = -128.
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