1
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
4-bit 2’s complement representation of a decimal number is 1000. The number is
A
+8
B
$$0$$
C
-7
D
-8
2
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The 2’s complement representation of –17 is
A
01110
B
01111
C
11110
D
10001
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
An equivalent 2’s complement representation of the 2’s complement number 1101 is
A
110100
B
001101
C
110111
D
111101
4
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
A signed integer has been stored in a byte using the 2's complement format. We wish to store the same integer in a 16-bit word. We should
A
copy the original byte to the less significant byte of the word and fill the more significant with zeros
B
copy the original byte to the more significant byte of the word and fill the less significant with zeros
C
copy the original byte to the less significant byte of the word and make each bit of the more significant byte equal to the most significant bit of the original byte
D
copy the original byte to the less significant byte as well as the more significant byte of the word
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