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Digital Electronics

Digital Electronics
How many numbers are used in the decimal number system?

 0 to 9
 1 to 10
None of these
 0 to 10

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Digital Electronics
The output of a NAND gate is low

 only when all the inputs are low
 only when at least one input is high
 only when at least one input is low
 only when all the inputs are high

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

 NAND
 X-OR
 NOR
 OR

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Digital Electronics
What is the gray code for the binary 101011?

 101011
 111110
 110101
 011111

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Digital Electronics
The universal gate is ___________

AND gate
None of these
OR gate
NAND gate

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

 None
 SRAM
 DRAM
 Both SRAM and DRAM

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