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Digital Electronics

Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

27
12
19
21

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Digital Electronics
In a T flip-flop no of input circuit is

 1
 2
 3
 4

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be positive
 must necessarily be 0 V and –5 V
 may be negative or positive
 must necessarily be negative

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

 programming
 storing
None of these
 writing

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin1
 Pin14
 Pin2
 Pin13

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Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 01000100
 00100100
 01100011

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