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Digital Electronics

Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 None
 SRAM
 Both SRAM and DRAM
 DRAM

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 triggering
 output
 input

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Digital Electronics
2-out-of-5 code is

 self-complementing code
 weighted code
 alphanumeric code
 non-weighted code

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Digital Electronics
A graphical representation of a products in a truth table is called as

 T-Map
 Graphing
 K-Map
 Mapping

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 1
 2
 any number
 4

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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

 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
None of these

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