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Digital Electronics

Digital Electronics
An EPROM

 is programmable
All of these
 is non volatile
 is of random-access type

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Digital Electronics
LSI means

 Large Scale Integration
 Large Symbol Invertor
 Large Symbol Integration
 Large Scale Invertor

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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

 1 Khz
 8 Mhz
 2 Khz
 2 Mhz

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 X-OR
 NOR
 AND
 NAND

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 12, …
 2, 4, 6, 10, 16……..
 2, 3, 4, 5, 6, ….

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 output
 input
 clearing
 triggering

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