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Worksheets8043
Total questions: 20
Worksheet time: 11mins
The binary number 101101.101 is equal to ___ in decimal.
45.75
45.625
44.625
47.25
Add (+5) and (-3) using 4-bit sign magnitude. Result is:
0001
0010
0101
0011
The Gray code for decimal 7 is
0111
1011
0100
0101
What is the decimal value of the Excess-3 code 1001?
6
5
9
7
What is the result of (+0101) + (-0011) in sign magnitude?
0010
0110
0001
0100
Subtract 18 from 25 using 2’s complement method (8-bit). What is the result?
00001111
00000111
00010101
11111001
What is the BCD equivalent of 93?
10010011
01100101
01100011
01011001
In 1’s complement, the result of 0110 – 1010 is:
1111
0100
0010
0101
The binary multiplication of 011 × 101 results in:
111
1111
100111
110
What is the Excess-3 code for decimal number 3?
0110
0011
1001
0111
Convert the octal number 125 to decimal.
85
86
89
92
In even parity, what parity bit should be added to 1011001?
0
1
01
None
Divide binary 1100 ÷ 10
1010
0110
110
100
Which of the following is the correct way to create a 3x3 matrix with all zeros?
1110
1000
0111
1010
Subtract using 1’s complement: 1100 – 1001
0011
0101
1011
1110
What is the hexadecimal representation of binary number 101111101011?
BEB
1FAB
3DEF
BED
Convert decimal 99 into Excess-3 code:
1001 1001
1100 1100
1000 1001
1100 1100
The sum of BCD values: 0101 (5) + 0110 (6) = ?
1000
1011
0001 0001
0001 0011
2’s complement of 0101 is:
1011
1101
1010
1111
The key property of Gray code is:
Two bits change at a time
All bits flip in reverse
Only one bit changes at a time
It is weighted
