GATE (Graduate Aptitude Test in Engineering) Instrumentation: Questions 57  61 of 85
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Question number: 57
» Digital Electronics » Combinational Logic Circuits, Minimization of Boolean Functions
Appeared in Year: 2012
Question
In the sum of products function the prime implicants are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 58
» Digital Electronics » Comparators
Appeared in Year: 2012
Question
The output Y of a 2bit comparator is logic 1 whenever the 2bit input A is greater than the 2bit input B. The number of combinations for which the output is logic 1, is
Choices
Choice (4)  Response  

a.  10 

b.  8 

c.  4 

d.  6 

Question number: 59
» Digital Electronics » Sequential Circuits,FlipFlops, Counters, Shift Registers
Appeared in Year: 2014
Question
Frequency of an analog periodic signal in the range of 5 kHz – 10 kHz is to be measured with a resolution of 100 Hz by measuring its period with a counter. Assuming negligible signal and transition delays the minimum clock frequency and minimum number of bits in the counter needed, respectively, are:
Choices
Choice (4)  Response  

a.  1 MHz, 10bits 

b.  1 MHz, 8bits 

c.  10 MHz, 10bits 

d.  10MHz, 8bits 

Question number: 60
» Digital Electronics » Comparators
Appeared in Year: 2013
Question
In the circuit shown below the op–amps are ideal. Then in volts is
Choices
Choice (4)  Response  

a.  4 

b.  6 

c.  8 

d.  10 

Question number: 61
» Digital Electronics » Sequential Circuits,FlipFlops, Counters, Shift Registers
Appeared in Year: 2012
Question
Consider the given circuit
In this circuit, the race around
Choices
Choice (4)  Response  

a.  Does not occur 

b.  Occurs when CLK = 0 

c.  Occurs when CLK = 1 and A = B = 1 

d.  Occurs when CLK = 1 and A = B = 0 
