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Digital Electronics

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

 Both SRAM and DRAM
 DRAM
 SRAM
 None

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Digital Electronics
9’s complement of 52784630 is

 57316379
 48225469
 47215369
 58326479

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Digital Electronics
A multiplexer is a

 N-to-N device
 N-to-1 device
 1-to-N device
 1-to-1 device

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Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 12
 10
 13
 11

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Digital Electronics
1’s complement of 17 is

 10111.
 11100.
  01110.
 10001.

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 X-OR gate
 NAND gate
 X-NOR gate
 NOR gate

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