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Digital Electronics

Digital Electronics
A device which converts decimal number into BCD form is called

 code converter
 multiplexer
 encoder
 decoder

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Digital Electronics
16’s complement of BABA is?

 4546
 4445
 4446
 4544

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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 Khz
 2 Mhz
 1 Khz
 8 Mhz

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 1
 2
 8
 4

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 none
 48,777
 47,877
 48,877

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 269
 194
 183
 268

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