Test: Digital Electronics - 2


25 Questions MCQ Test Digital Electronics | Test: Digital Electronics - 2


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This mock test of Test: Digital Electronics - 2 for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. This contains 25 Multiple Choice Questions for Electrical Engineering (EE) Test: Digital Electronics - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Digital Electronics - 2 quiz give you a good mix of easy questions and tough questions. Electrical Engineering (EE) students definitely take this Test: Digital Electronics - 2 exercise for a better result in the exam. You can find other Test: Digital Electronics - 2 extra questions, long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above.
QUESTION: 1

Assertion (A): The TTL output acts as a current sink in low state

Reason (R): The TTL input current is largest in low state.

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QUESTION: 2

The time needed by a TTL circuit to switch from 0 to 1 or 1 to 0 is about

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QUESTION: 3

The number of LED display indicators in logic probe are

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QUESTION: 4

Assertion (A): R-2R ladder type DAC has higher speed of operation than weighted resistor DAC

Reason (R): R-2R ladder type DAC uses only two different values of resistor network uses many different values of resistors

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QUESTION: 5

Which of the following circuits can be used as parallel-to-series converter?

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QUESTION: 6

RAM can be expanded to

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QUESTION: 7

Large scale integration refers to

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QUESTION: 8

Which of the following statements is not true in regard to storage time of a diode?

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QUESTION: 9

Suppose a microprocessor has memory locations from 0000 to 3FFF, each storing I byte. How many bytes the memory can storing I bytes the memory can store?

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QUESTION: 10

If the number of information bits is m, the number of parity bits p in the Hamming code is given by equation

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QUESTION: 11

Which of the following is the least important consideration while selecting a logic technology?

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QUESTION: 12

The logic circuit of the given figure realizes the function

Solution:

Correct Answer :- a

Explanation : 

 

QUESTION: 13

Is Schottky TTL, Schottky diode is used primary to

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QUESTION: 14

What is the maximum output voltage from the 741 op-amp?

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QUESTION: 15

A full adder is to be implemented using half adders and OR gates. A 4 bit parallel adder without any initial carry requires

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QUESTION: 16

The main advantage of hexadecimal numbers is

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QUESTION: 17

T- FF used as a

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QUESTION: 18

A pulse train can be delayed by a finite number of clock periods by using

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QUESTION: 19

The disadvantage of counter type ADC as compared to comparator ADC is that

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QUESTION: 20

In 8421 Binary coded Decimal system the decimal number 237 is represented by

Solution:

Correct Answer :- c

Explanation : The decimal number is 2 3 7.

2 = 0010

3 = 0011

7 = 0111

The answer is correct C. 0010 0011 0111.

QUESTION: 21

11001, 1001 and 111001 correspond to the 2’complement representation of the following set of numbers

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QUESTION: 22

The generic microprocessor contains a zero and a carry flag. These are located on the
The 8156 of a figure has RAM locations from 2000 H to 20 FFH.

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QUESTION: 23

The race condition in NOR SR latch occurs when

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QUESTION: 24

Flag bits in arithmetic unit provide

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QUESTION: 25

How many interrupts are there of 8085 μP?

Solution:

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