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ISRO EC 2019: Digital Circuits & Microprocessor Booster Quiz 2

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Question 1

The AID converter used in a digital voltmeter could be (1) successive approximation type (2) Flash converter type (3) Dual slope converter type. The correct sequence in the increasing order of their conversion time taken is

Question 2

The characteristic equation of the T-FF is given by

Question 3

For the identity

, the dual form is

Question 4

"Cycle Stealing" in microprocessor parlance refers to

Question 5

In Sigma delta ADC, high bit accuracy is achieved by

Question 6

For CMOS implementation of 2 input XOR logic gate, how many nMOS and pMOS transistors are required?

Question 7

When a program is being executed in an 8085 microprocessor, its Program Counter contains

Question 8

The logic circuit given below converts a binary code Y₁Y₂Y₃ into

Question 9

A 12-bit ADC is operating with a 1

clock period and total conversion time is seen to be 14

always. The ADC must be of the type

Question 10

A 12-bit ADC has input signal range of

1 V. The signal to quantization noise ratio if a sine wave signal with 0.25 V peak voltage is given as input is :

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ESE & GATE EC Digital Circuits

Dec 21ESE & GATE EC