DSP 1 COMPREHENSIVE STUDY GUIDE
2026 QUESTIONS WITH ANSWERS GRADED
A+
⩥ a. Answer: 10. A Karnaugh map is similar to a truth table because it
presents all the possible values of input variables and the resulting
output of each value.
a. true
b. false
⩥ c. Answer: 11. A.(B+C) = A.B + A.C is the expression of
a. Demorgan's Law
b. Commutative Law
c. Distributive Law
d. Associative Law
⩥ b. Answer: 12. The inputs to the full-adder are A=0, B=1. Cin=0. The
outputs are
a. M=1, Cout=1
b. M=1, Cout=0
c. M=0, Cout=1
d. M=0, Cout=0
,⩥ c. Answer: 13. If a 3-input OR gate has eight input possibilities, how
many of those possibilities which result in a LOW output?
a. 8
b. 5
c. 1
d. 3
⩥ b. Answer: 14. A binary number can be converted to be viewed on a 7-
segment display by a(n)______
a. encoder
b. decoder
c. multiplexer
d. magnitude comparator
⩥ d. Answer: 4. 2-input gate produces a HIGH output only when the
inputs agree. The type of gate is a(n)
a. OR gate
b. AND gate
c. NOR gate
d. XNOR gate
⩥ b. Answer: 5. The number of values that can be assigned to a bit are
,a. one
b. two
c. three
d. ten
⩥ d. Answer: 6. A device that is used to switch one of several input lines
to a single output line is called a
a. comparator
b. decoder
c. counter
d. multiplexer
⩥ b. Answer: 7. The hexadecimal number 2C has a decimal equivalent
value of
a. 14
b. 44
c. 64
d. none of the above
⩥ d. Answer: 8. In__________representation the rule for forming the
negation of an integer is to invert the sign bit
a. ones complement
b. twos complement
, c. biased
d. sign-magnitude
⩥ a. Answer: 9. In general, a decoder has n inputs and 2^n outputs
a. true
b. false
⩥ a. Answer: 10. "Don't care" conditions are when certain combinations
of values of variables never occur, and therefore the corresponding
output never occurs
a. true
b. false
⩥ b. Answer: 11. The two types of gates which are called universal/gates
are
a. AND/OR
b. NAND/NOR
c. AND/NAND
d. OR/NOR
⩥ c. Answer: 12. The inputs to the full-adder are A=1, B=1, Cin=0. The
outputs are
a. M=1, Cout=1
2026 QUESTIONS WITH ANSWERS GRADED
A+
⩥ a. Answer: 10. A Karnaugh map is similar to a truth table because it
presents all the possible values of input variables and the resulting
output of each value.
a. true
b. false
⩥ c. Answer: 11. A.(B+C) = A.B + A.C is the expression of
a. Demorgan's Law
b. Commutative Law
c. Distributive Law
d. Associative Law
⩥ b. Answer: 12. The inputs to the full-adder are A=0, B=1. Cin=0. The
outputs are
a. M=1, Cout=1
b. M=1, Cout=0
c. M=0, Cout=1
d. M=0, Cout=0
,⩥ c. Answer: 13. If a 3-input OR gate has eight input possibilities, how
many of those possibilities which result in a LOW output?
a. 8
b. 5
c. 1
d. 3
⩥ b. Answer: 14. A binary number can be converted to be viewed on a 7-
segment display by a(n)______
a. encoder
b. decoder
c. multiplexer
d. magnitude comparator
⩥ d. Answer: 4. 2-input gate produces a HIGH output only when the
inputs agree. The type of gate is a(n)
a. OR gate
b. AND gate
c. NOR gate
d. XNOR gate
⩥ b. Answer: 5. The number of values that can be assigned to a bit are
,a. one
b. two
c. three
d. ten
⩥ d. Answer: 6. A device that is used to switch one of several input lines
to a single output line is called a
a. comparator
b. decoder
c. counter
d. multiplexer
⩥ b. Answer: 7. The hexadecimal number 2C has a decimal equivalent
value of
a. 14
b. 44
c. 64
d. none of the above
⩥ d. Answer: 8. In__________representation the rule for forming the
negation of an integer is to invert the sign bit
a. ones complement
b. twos complement
, c. biased
d. sign-magnitude
⩥ a. Answer: 9. In general, a decoder has n inputs and 2^n outputs
a. true
b. false
⩥ a. Answer: 10. "Don't care" conditions are when certain combinations
of values of variables never occur, and therefore the corresponding
output never occurs
a. true
b. false
⩥ b. Answer: 11. The two types of gates which are called universal/gates
are
a. AND/OR
b. NAND/NOR
c. AND/NAND
d. OR/NOR
⩥ c. Answer: 12. The inputs to the full-adder are A=1, B=1, Cin=0. The
outputs are
a. M=1, Cout=1
