Digital Electronics MCQs Set-24 Contain the randomly compiled Digital Electronics MCQs (Multiple Choice Questions and answers ) from various reference books and Questions papers for those who is preparing for the various Competitive Exams,Technical Interviews and University Level Exams.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. The………. gate is also called any-or-all gate.
- OR
- AND
- NOT
- EX-OR
A. OR
2. A logic gate is an electronic circuit which
- makes logic decisions
- allows electron flow only in one direction
- works on binary algebra
- alternates between 0&1 values
A. makes logic decisions
3. In positive logic, logic gate 1 corresponds to
- positive voltage
- higher voltage level
- zero voltage level
- lower voltage level
B. higher voltage level
4. In negative logic, the logic state 1 corresponds to
- negative logic
- zero voltage
- more negative voltage
- lower voltage level
D. lower voltage level
5. The output of a 2-input OR the gate is 0 only when it’s
- both inputs are 0
- either input is 1
- both inputs are 1
- either input is 0
A. both inputs are 0
6. An X-OR gate produces an output only when it’s two inputs are
- high
- low
- different
- same
C. different
7. An AND gate
- implements logic addition
- is equivalent to a series switching circuit
- is an any-or-all gate
- is equivalent to a parallel switching circuit
B. is equivalent to a series switching circuit
8. When an input electrical signal A=10100 is applied to a NOT gate, it’s output Signal is
- 01011
- 10101
- 10100
- )00101
A. 01011
9. The only function of a NOT gate is to
- stop a signal
- recomplement a signal
- invert an input signal
- act as a universal set
C. invert an input signal
