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Digital Electronics

Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,767
 32,768
 32
 65,536

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Digital Electronics
8421 code is

 weighted code
 self-complementing code
 non-weighted code
 alphanumeric code

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an X-NOR
 a NAND or an AND
 a NOR or an X-NOR
 a NAND or an X-OR

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Digital Electronics
The hex address of the 256th memory location is

 000FF
 001FF
 00100
 00FFF

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Tristate
 Open collector output
None of these
 Output is inverted

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 1324
 4231
 2201
 423

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