In this section of Digital Logic Design – Digital Electronics – Arithmetic and Logic Circuits MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various Competitive Exams and University Level Exams.
- Half Adder MCQs.
- Full Adder MCQs.
- Parallel Binary Adder MCQs.
- BCD Adder MCQs.
- 2’s Complement Adder MCQs.
- Half Subtractor MCQs.
- Full Subtractor MCQs.
- Parallel Binary Subtractor MCQs.
- 2′ Complement Subtractor MCQs.
- Binary Multiplier MCQs
- Binary Divider MCQs
- Comparator MCQs
1. The difference bit output of a half subtractor is the same as
- Difference bit output of a full subtractor
- Sum bit output of a half adder
- Sum bit output of a full adder
- Carry bit output of half adder
B. Sum bit output of a half adder
2. How many inputs and outputs does full adder have
- Two input two output
- Two inputs,one output
- Three inputs ,two outputs
- Two inputs ,three outputs
C. Three inputs ,two outputs
3. How many inputs and outputs does a full subtrctor circuit have?
- Two inputs and one outputs
- Two inputs,one outputs
- Two inputs ,three outputs
- Three inputs,two outputs
D. Three inputs,two outputs
4. Full adder can realized using
- One half adder,two OR gates
- Two half adder,One OR gate
- Two half adder,two OR gates
- None of these
B. Two half adder,One OR gate
5. The logic network as shown in fig below is
- Half adder
- Half subtractor
- Full adder
- Full substractor
C. Full adder
6. For the logic network shown in fig below,the outputs x and y are given by
- X=(A¯B+¯AB)C ,Y=(B⊕C)A+BC
- X=(A⊕B)C+AB, Y=A⊕B⊕C
- X=AB+BC+AC ,Y= (A⊕B)C
- None of these
C. X=AB+BC+AC ,Y= (A⊕B)C
7. Which of the following is known as half adder
- XOR gate
- XNOR gate
- NAND gate
- NOT gate
A. XOR gate