Electronics and Communication Engineering
2017 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ECE 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.
Question 43
Open questionECMCQ2 marksNeeds review
Which one of the following gives the simplified sum of products expression for the Boolean function
, where
,
,
and
are minterms corresponding to the inputs
,
and
with
as the MSB and
as the LSB?Your answerChoose one option.
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Open questionECNAT2 marksNeeds review
A 4-bit shift register circuit configured for right-shift operation, i.e.
,
,
,
, is shown. If the present state of the shift register is
, the number of clock cycles required to reach the state
is ____________. 
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 45
Open questionECMCQ2 marksNeeds review
The following FIVE instructions were executed on an 8085 microprocessor.
MVI A, 33H
MVI B, 78H
ADD B
CMA
ANI 32H
The Accumulator value immediately after the execution of the fifth instruction is
Your answerChoose one option.
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