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Digital Electronics

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

 DRAM
 SRAM
 None
 Both SRAM and DRAM

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Digital Electronics
The boolean algebra is mostly based on

 De Morgans theorem
 De Morpans theorem
 Boolean theorem
 Standard theorem

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Digital Electronics
Counter is a

  both.
  combinational circuit.
  none.
  sequential circuit.

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

None of these
10 CPS
12 CPS
120 CPS

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Digital Electronics
The NOR-NOR realization is equivalent to

 OR-AND realization
 AND-OR realization
 OR-NOT realization
 NOT-AND realization

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NOR-NAND realization
 NAND-NOR realization
 NAND-NAND realization
 NOR-NOR realization

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