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Digital Electronics

Digital Electronics
EBCDIC code is a

 5-bit code
 7-bit code
 8-bit code
 10-bit code

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Digital Electronics
2-out-of-5 code is

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

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Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4Mhz the crossover frequency is given by

 1 Khz
 2 Khz
 8 Mhz
 2 Mhz

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Minimization
State Reduction
State Assignment
State Evaluation

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 ECL ICs
 CMOS ICs
 TTL ICs
 MOS ICs

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

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

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