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Digital Electronics

Digital Electronics
X' AND X' will result

 X
 1
 0
 X power 2

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Digital Electronics
The complement of a function A is

 0
 Ā
 A
 1

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  6.
 24.
  10.
 12.

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Digital Electronics
Which number system has a base of 16

 Decimal
 Octal
 Hexadecimal
 None

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 10 × 32
 32 × 32
 32 × 10
 5 × 32

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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

 2 Mhz
 1 Khz
 2 Khz
 8 Mhz

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