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Digital Electronics

Digital Electronics
Which of the following logic circuits is the fastest ?

 All have same speed.
 TTL.
 RTL.
 DTL.

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -32 as 11100000
 -48 as 11101000
 -37 as 11011011
 -89 as 10100111

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Digital Electronics
Which of the following is 1’s complement representation of +57

 11000110
 00000001
 01000110
 00111001

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Digital Electronics
What is the radix of octal number system ?

 10
 8
 16
 2

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Digital Electronics
"What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease"

B & C
A & D
A & B
C & D

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Digital Electronics
A multiplexer is a

 N-to-1 device
 N-to-N device
 1-to-1 device
 1-to-N device

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