# Test: Digital Electronics - 3

## 25 Questions MCQ Test Digital Electronics | Test: Digital Electronics - 3

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Attempt Test: Digital Electronics - 3 | 25 questions in 25 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Digital Electronics for Electrical Engineering (EE) Exam | Download free PDF with solutions
QUESTION: 1

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QUESTION: 2

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QUESTION: 3

### In 8085 microprocessor, which of the following interrupts has the highest priority?

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QUESTION: 4

Schottky clamping is resorted to in TTL gates

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QUESTION: 5

The circuit shown in the figure is a Solution:
QUESTION: 6

Assertion (A): An SR latch has the problem of RAC condition

Reason (R): While designing a digital circuit RAC condition should be avoided.

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QUESTION: 7

In a clocked NAND latch, race condition occur when

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QUESTION: 8

In 1-to-4 demultiplexer, how many select lines are required?

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The formula for total no. of outputs is given by: 2^n, where n is the no. of select lines.

QUESTION: 9

In Von-Neumann-or Princeton-type computers, the program

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QUESTION: 10

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QUESTION: 11

A full adder has two outputs SUM and CARRY.

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QUESTION: 12

For the circuit shown in the figure, what is the frequency of the output Q? Solution:
QUESTION: 13

Which two rows represent identical binary numbers?

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QUESTION: 14

How many input-output ports can be accessed by direct method of 8085 μp?

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QUESTION: 15

The binary equivalent of 4096.90625 is

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QUESTION: 16

When two 16-input multiplexers drive a 2-input MUX, what is the result?

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QUESTION: 17

In floating point number 0110100000010101, the exponent is equal to __________ 10

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QUESTION: 18

Two voltages are -5 V and -10 V. In positive logic

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QUESTION: 19

figure shows three pulse train inputs to a 3-input OR gate. Assuming positive logic, the output pulse rate train in figure (b) would be Solution:
QUESTION: 20

The advantage of using dual slope ADC in digital voltmeter is that

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QUESTION: 21

Which multivibrator can be used as a clock timer?

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QUESTION: 22

T-flip-flop is commonly used as

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QUESTION: 23

In the NMOS inverter

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QUESTION: 24

For the switch circuit, taking open as 0 and closed as 1, the expression for the circuit is Y. Y is given by Solution:
QUESTION: 25

Assuming accumulator contain A 64 and the carry is set (1).What will register A and (CY) contain after RAR?

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