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GATE 2022 : Digital Electronics Quiz- 1 (App update required to attempt this test)
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Question 1
A mod - 4 ripple counter is cascaded with mod - 8 synchronous counter. The resulting circuit will form a counter of mod = ___?
Question 2
Find the output frequency (in KHz) it the clock frequency is 4KHz ?
Question 3
On the 3rd clock pulse of a 4- bit Johnson counter is 1110 (Q0 Q1 Q2 Q3). Find the initial sequence in decimal number Format.
Question 4
Find the number of states in a 5 - bit ring, 5 - bit Johnson counter and also the number of unused states in each case respectively:
Question 5
If X = (a + 1), and logic circuit shown is having finite propagation delay. This circuit can be used as a clock generator, then a is____
Question 6
If the following code is executed the number of times the instruction ‘DCR C’ get executed is _______.
MVI B, FF H
MVI C, FF H
LOOP: DCR C
JNZ LOOP
DCR B
JNZ LOOP
HLT
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