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Digital Electronics

Digital Electronics
A + Ā is equal to

 A
 1
 0
 Ā

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follow input
 the output is HIGH
 the output follows clock
 the output is LOW

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Digital Electronics
Stack is also known as

 Flash memory
 LILO memory
 FIFO memory
 LIFO memory

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -127 to 127
 -256 to 256
 -128 to 127
 -256 to 255

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

None of these
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate
 three 3-input NAND gates and one 3-input NOR gate

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Digital Electronics
The resolution of a 12 bit analog to digital converter in percent in

 0.04882.
 0.09760.
  0.01220.
  0.02441.

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