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ECAT Computer Science Chapter 5 Boolean Algebra Online Test MCQs With Answers
Question # 1
Choose an answer
A + B
+
C + D
A
+
B
C
+ D
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Question # 2
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0
1
x
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Question # 3
Boolean
expre
ssion for NOR gate with t
wo inp
uts x and y can be written as.
Choose an answer
x
+ y__
x. y
x +
y
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Question # 4
Boolean description for the exclusive OR gate for two inputs x and y can be written as.
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x
+
y __
_x _y
x.
y
+
x
. y
x . y + x .y
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Question # 5
Boolean algebra use which of the following to represent arithmetic quantities.
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decimal digits
exponents
binary bits
fractions
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Question # 6
In a three input NAND gate, if all the inputs are 1, the output is.
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0
1
3
indeterminate
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Question # 7
An OR gate has 6 input. The number of input words in its truth table are.
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6
32
64
128
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Question # 8
The 'Boolean Algebra' is based on the premise that
Choose an answer
there are two states
differential equations can be solved by analog circuits.
either a statement is true or false
arithmetic operations can be carried out
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Question # 9
In Boolean algebra A.A.A.A.A
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5A
A
A
5
1
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Question # 10
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x . y
x + y
x
.
y
x . y
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