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Digital Electronics

Digital Electronics
Which of the following gates cannot be used as an inverter?

 NOR
 X-NOR
 AND
 NAND

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Digital Electronics
Which of the following is known as a mod-2 adder?

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

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Digital Electronics
ASCII and EBCDIC codes are

 error correcting codes
 BCD codes
 alphanumeric codes
 numeric codes

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Digital Electronics
Unit distance code is the other name of

 sequential code
 self-complementing code
 XS-3 code
 cyclic code

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NOR-NOR realization
 NOR-NAND realization
 NAND-NOR realization
 NAND-NAND realization

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0101 1111 0010 1100
 0100 1110 0010 1101
 0100 1111 0010 1101
 0100 1111 0010 1100

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