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Digital Electronics

Digital Electronics
To get an excess-3 code from BCD code

 0110 is subtracted
 0011 is added
 0110 is added
 0011 is subtracted

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Digital Electronics
A device which converts decimal number into BCD form is called

 multiplexer
 code converter
 encoder
 decoder

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Digital Electronics
A 15-bit Hamming code requires

 none of these.
 4 parity bits
 5 parity bits
 15 parity bits

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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
If clock time period is 1ms, what is its frequency

 1 kHz
 1 MHz
None of these
 1 mHz

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 NOR
 NAND
 AND, OR, and NOT

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