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Test: Digital Electronics - 5


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25 Questions MCQ Test Digital Electronics | Test: Digital Electronics - 5

Test: Digital Electronics - 5 for Electrical Engineering (EE) 2022 is part of Digital Electronics preparation. The Test: Digital Electronics - 5 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Digital Electronics - 5 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 - 5 below.
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Test: Digital Electronics - 5 - Question 1

If we need a low noise device, we should use

Test: Digital Electronics - 5 - Question 2

The principal of locality of reference justifies the use of

Test: Digital Electronics - 5 - Question 3

Consider the following digital circuits:

  1. Multipliers
  2. Read only memories
  3. D-latch
  4. Circuits as shown
Which of these come under the class of combinational circuit?

Test: Digital Electronics - 5 - Question 4

The contents of the commands register are 23 H. Then port C

Test: Digital Electronics - 5 - Question 5

Which of the following bus is used to transfer data from main memory to peripheral device?

Test: Digital Electronics - 5 - Question 6

An 8085 microprocessor based system uses a 4 k x 8 bit RAM whose address in AAOOH. The address of the last byte in this RAM is

Test: Digital Electronics - 5 - Question 7

Read the following statements: Dual slope ADC provides

  1. higher speed as compared to other ADC
  2. very good accuracy
  3. good rejection of power supply
  4. better resolutions compared to other ADC for the same number of bits
Which of the above are correct?
Test: Digital Electronics - 5 - Question 8

In 8085 microprocessor, how many I/O ports can be accessed by memory mapped method?

Test: Digital Electronics - 5 - Question 9

The open wired circuit in the given figure works as a

Test: Digital Electronics - 5 - Question 10

The circuit shown below is functionally equivalent to

Test: Digital Electronics - 5 - Question 11

In an R-S latch, to set the output to high

Test: Digital Electronics - 5 - Question 12

The amplifier used in miller voltage sweep should have a gain of

Test: Digital Electronics - 5 - Question 13

In one of the codes for transfer of numbers the code for the succeeding number differs from that of the number only in the change of a single digit. The code is

Test: Digital Electronics - 5 - Question 14

How many different binary numbers can be stored in a register consisting of six switches?

Test: Digital Electronics - 5 - Question 15

Assertion (A): TTL uses multiple emitter transistor.

Reason (R): Multiple emitter transistors with about 60 emitters have been developed.

Test: Digital Electronics - 5 - Question 16

"Micro-program" is

Test: Digital Electronics - 5 - Question 17

In floating point representation, the number of bits of mantissa is

Test: Digital Electronics - 5 - Question 18

The number of programmable 16 bit registers of 6800 are

Test: Digital Electronics - 5 - Question 19

The clock shown in figure has a frequency of 6 MHz. The frequency of the Q output will be

Test: Digital Electronics - 5 - Question 20

In 8085 microprocessor, if interrupt service requests have been received from all of the following interrupts, then which one will be serviced first?

Test: Digital Electronics - 5 - Question 21

Which of the following can provide a digital signal?

Test: Digital Electronics - 5 - Question 22

Data are recorded on a 2, 400 ft reel of magnetic tape at a density of 556 characters per inch. If the record length is of 100 characters and 0.75 inch of record gap, the tape utilization factor is

Test: Digital Electronics - 5 - Question 23

If all bubbles are removed, what are the new RAM locations?
The 8156 of a figure has RAM locations from 2000 H to 20 FFH.

Test: Digital Electronics - 5 - Question 24

Some of MOS families are PMOS, CMOS, the family dominating the LSI field, where low power consumption is necessary is

Test: Digital Electronics - 5 - Question 25

For a particular type of memory the access time and cycle time are 200 ns each. The maximum rate at which data can be accessed by

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