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Digital Electronics

Digital Electronics
A latch is ________ sensitive

 level
 both level and edge
 edge
 None

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be negative
 must necessarily be 0 V and –5 V
 must necessarily be positive
 may be negative or positive

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

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

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Digital Electronics
Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

PLCC
PGA
QFP
BGA

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 12, 8
 6, 16
 8, 16
 16, 8

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

 000 000 1110.
 000 001 1100.
  000 000 1000.
  000 000 1100.

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