Digital Electronics Quiz -U1-U2
Authored by yogesh sariya
Engineering
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the 2’s complement form, the binary number 10010011 is equal to the decimal number
-19
109
91
-109
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The decimal number -34 is expressed in the 2’s complement form as
1011110
10100010
11011110
1011101
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The binary number 11011101 is equal to the decimal number
121
221
441
256
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sum of 1111 + 1111 in binary equals
10000
2222
11110
11111
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a 4-variable Karnaugh map, a 2-variable product term is produced by
a 2-cell group of 1s
an 8-cell group of 1s
a 4-cell group of 1s
a 4-cell group of 0s
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of boolean functions that can be generated by 3 variables is equal to
16
256
4
8
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If (1235)x = (3033)y , where x and y indicate the bases of corresponding numbers, then
X=7 and y=5
X=8 and y=6
X=6 and y=4
X=9 and y=7
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