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Digital Electronics

Digital Electronics
In VLSI, the number of gate circuits per chip is

 10,000 to 99,999
 50,000 to 99,999
 < 10,000
 > 10,000

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Digital Electronics
The voltage levels for positive logic system

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

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Digital Electronics
8421 code is

 weighted code
 self-complementing code
 non-weighted code
 alphanumeric code

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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
 1324
 2201

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Digital Electronics
The code used for labeling the cells of a K-map is

 8-4-2-1 binary
 octal
 hexadecimal
 gray

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 X-OR gate
 X-NOR gate
 OR gate
 AND gate

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