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Digital Electronics

Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 8
 4
 6
 5

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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

 423
 2201
 4231
 1324

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

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 7
 8
 6
 9

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Digital Electronics
Which of the following logic circuits is the fastest ?

 RTL.
 TTL.
 All have same speed.
 DTL.

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Digital Electronics
The time required for a gate to change its output is called as

 run time
 start time
 propagation time
 Decay time

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