GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 44  47 of 271
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Question number: 44
» Digital Circuits » Sequential Circuits » Counters
Appeared in Year: 1997
Question
A sequence generator is shown in the figure. The counter status is initialized 010 using preset/clear inputs.
The clock has a period of 50ns and transistors take place at the rising clock edge.

Give the number of states in the sequence generates at till repeats.

What is the repetition rate of the generated sequence?
Choices
Choice (4)  Response  

a.  6 states, 5 MHz 

b.  6 states, 6 MHz 

c.  5 states, 4 MHz 

d.  6 states, 4 MHz 

Question number: 45
» Digital Circuits » Sequential Circuits » Counters
Appeared in Year: 2004
Question
11001, 1001, 111001 correspond to the 2’s complement representation of which one of the following sets of number
Choices
Choice (4)  Response  

a.  25, 9, and 57 respectively 

b.  7, 7 and 7 respectively 

c.  25, 9 and 57 respectively 

d.  6, 6, and 6 respectively 

Question number: 46
» Digital Circuits » Number Systems; Combinatorial Circuits » Boolean Algebra, Minimization of Functions
Appeared in Year: 1998
Question
For the identity the dual form is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 47
» Digital Circuits » Number Systems; Combinatorial Circuits » Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs
Appeared in Year: 2009
Question
What are the minimum number of 2 to 1 multiplexers required to generate a 2 input AND gate and a 2 input ExOR gate
Choices
Choice (4)  Response  

a.  1 and 2 

b.  1 and 1 

c.  2 and 2 

d.  1 and 3 
