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Digital Electronics

Digital Electronics
A combinational circuit can be designed using only

 OR and X-NOR gates
 OR gates
 NOR gates
 AND gates

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NOR
 NAND
 X-OR
 AND

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Digital Electronics
The set of which logic gates is designated as universal gate?

  NOR , NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.
 XNOR, NOR, NAND.

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Digital Electronics
Stack is also known as

 Flash memory
 FIFO memory
 LIFO memory
 LILO memory

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

  1 KHz.
 500 Hz.
 2 KHz.
 250 Hz.

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Digital Electronics
16’s complement of BABA is?

 4445
 4544
 4446
 4546

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