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Digital Electronics

Digital Electronics
A three-state buffer has the following output states

 1, 0, float
 Set, Reset, Halt
 High, Low, Float
 Both A and B

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Digital Electronics
A Binary number system has how many digits.

 1
 2
 10
 0

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Digital Electronics
An 8-square is called

 an octet
 a pair
 a cube
 a quad

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Digital Electronics
The code used for labeling the cells of a K-map is

 octal
 gray
 hexadecimal
 8-4-2-1 binary

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Digital Electronics
A group of four bits is known as

 Bit
 Word
 Nibble
 Byte

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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

 8 Mhz
 2 Khz
 1 Khz
 2 Mhz

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