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Digital Electronics

Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 2.
 both are same
 1.
 none

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Digital Electronics
Counter is a

  none.
  sequential circuit.
  combinational circuit.
  both.

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Digital Electronics
The code used for labeling the cells of a K-map is

 octal
 hexadecimal
 gray
 8-4-2-1 binary

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

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

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 32
 16
 65536
 1024

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 X-OR
 NAND
 NOR

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