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Digital Electronics

Digital Electronics
16’s complement of BABA is?

 4446
 4445
 4546
 4544

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more squared than NOR
 OR is more oval than NOR
 NOR has got a bubble at its output terminal
 OR has got a bubble at its output terminal

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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.
 250 Hz.
 2 KHz.
 500 Hz.

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

NOT gate
AND gate
OR gate
None of these

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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

 X-OR
 OR
 NOR
 NAND

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Digital Electronics
An AND gate can be imagined as

 switches connected in parallel
 transistors connected in series
 switches connected in series
 transistors connected in paralle

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