Digital Electronics Test 2 Online MCQs

1. The Digital multiplexer performs the operation of

2. A ________ is a group of devices that stores digital data

3. The fan put of a 7400 NAND gate is

4. Most of the digital computers do not have floating point hardware because

5. 1(10101)2 is

6. An Or gate has 6 inputs. The number of input words in its truth table are

7. Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

8. Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?

9. Excess-3 code is known as

10. 80486 is a ________ bit processor

11. What is flip-flop

12. The number 1000 would appear just immediately after

13. 58 + 68 = ( )8?

14. The number of Boolean functions that can be generated by n variables is equal to

15. Minimum number of NAND gates are required to implement A+A’B+AB’C is?