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Digital Electronics

Digital Electronics
An EPROM

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

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an AND
 a NOR or an X-NOR
 a NAND or an X-NOR
 a NAND or an X-OR

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 none of these
 NAND
 NOR
 AND

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

 multiplexer
 decoder
 encoder
 code converter

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 300 mV.
 900 mV.
 30 mV.
 90 mV.

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 423
 4231
 2201
 1324

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