WorksheetsBoolean Algebra
Total questions: 19
Worksheet time: 17mins
Which of the following is true?
A Boolean data type has only two values: A and B
A Boolean data type has only two values: yes and no
A Boolean data type has only two values: true and false
A Boolean data type has only two values: 1 and 0
Which of the following Boolean statements is true?
x > y will give the result false when the value of x is greater than the value of y
x > y will give the result true when the value of x is greater than the value of y
x > y will give the result true when the value of x is less than the value of y
x > y will give the result false when the value of x is less than the value of y
Which one of the following circuits is NOT equivalent to a 2-input XNOR (exclusive NOR) gate?
What is the minimum number of gates required to implement the Boolean function (AB+C) if we have to use only 2-input NOR gates?
2
3
4
5
Which of the following are logic gates?
OR
NOT
XOR
AND
With four signal inputs, how many possible outputs are there?
16
24
4
8
What is the purpose of logic gates?
To allow an electronic system to make a decision based on its outputs
To allow an electronic system to make a decision based on its inputs
To allow a program to make a decision based on its inputs
To allow a program to make a decision based on its outputs only
What is the Boolean Expression of an OR gate?
(a)
What gate outputs 1 if and only if at least one input is 1?
(a)
What is the output of an EX-NOR gate?
(AB' + A'B)'
(AB + A'B')
A'B + AB'
(AB + AB)''
What gate can test odd parity?
(a)
Which gate only has an output of 1 if both inputs are 1?
OR
NAND
AND
NOR
An equivalent representation for the Boolean expression A' + 1 is (a)
XOR gates can be made from ______________
All NAND gates
All NOR gates
All NOT gates
AND, OR and NOT gates
In boolean algebra, which operation does putting a bar above a letter represent?
NOT
AND
OR
None of the above
Convert the hexadecimal A to binary
(a)
Select the best definition of a literal
A Boolean variable
The complement of a Boolean variable
1 or 2
The actual understanding of a Boolean variable
Which of the following relationships represents the dual of the Boolean property x + x'y = x + y?
x'(x + y') = x'y'
x(x'y) = xy
x'(xy') = x'y'
x(x' + y) = xy
Simplification of the Boolean expression (A + B)'(C + D + E)' + (A + B)' yields which of the following results?
A + B
A'B'
C + D + E
C'D'E'
