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Digital Electronics

Digital Electronics
What is the radix of octal number system ?

 8
 10
 16
 2

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Digital Electronics
9’s complement of 52784630 is

 58326479
 47215369
 48225469
 57316379

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NAND-NOR realization
 NAND-NAND realization
 NOR-NOR realization
 NOR-NAND realization

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Digital Electronics
The process of entering information in EPROM is commonly known as

 storing
 writing
None of these
 programming

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Digital Electronics
(FE35)16 XOR (CB15)16 is equal to

 (FF35)16
 (3320)16
 (FF50)16
 (3520)16

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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
 8 Mhz
 2 Khz

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