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Test: Digital Electronics - 2


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

Test: Digital Electronics - 2 for Electrical Engineering (EE) 2022 is part of Digital Electronics preparation. The Test: Digital Electronics - 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Digital Electronics - 2 MCQs are made for Electrical Engineering (EE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Digital Electronics - 2 below.
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Test: Digital Electronics - 2 - 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.

Test: Digital Electronics - 2 - Question 2

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

Test: Digital Electronics - 2 - Question 3

The number of LED display indicators in logic probe are

Test: Digital Electronics - 2 - 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

Test: Digital Electronics - 2 - Question 5

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

Test: Digital Electronics - 2 - Question 6

RAM can be expanded to

Test: Digital Electronics - 2 - Question 7

Large scale integration refers to

Test: Digital Electronics - 2 - Question 8

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

Test: Digital Electronics - 2 - 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?

Test: Digital Electronics - 2 - Question 10

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

Test: Digital Electronics - 2 - Question 11

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

Test: Digital Electronics - 2 - Question 12

The logic circuit of the given figure realizes the function

Detailed Solution for Test: Digital Electronics - 2 - Question 12

Correct Answer :- a

Explanation : 

 

Test: Digital Electronics - 2 - Question 13

Is Schottky TTL, Schottky diode is used primary to

Test: Digital Electronics - 2 - Question 14

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

Test: Digital Electronics - 2 - 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

Test: Digital Electronics - 2 - Question 16

The main advantage of hexadecimal numbers is

Test: Digital Electronics - 2 - Question 17

T- FF used as a

Test: Digital Electronics - 2 - Question 18

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

Test: Digital Electronics - 2 - Question 19

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

Test: Digital Electronics - 2 - Question 20

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

Detailed Solution for Test: Digital Electronics - 2 - Question 20

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.

Test: Digital Electronics - 2 - Question 21

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

Detailed Solution for Test: Digital Electronics - 2 - Question 21

Test: Digital Electronics - 2 - 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.

Test: Digital Electronics - 2 - Question 23

The race condition in NOR SR latch occurs when

Test: Digital Electronics - 2 - Question 24

Flag bits in arithmetic unit provide

Test: Digital Electronics - 2 - Question 25

How many interrupts are there of 8085 μP?

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