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Digital Electronics

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

 < 20
 < 12
 < 6
 < 25

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Digital Electronics
A bubbled NAND gate is equivalent to a

 OR gate
 NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
(11011) 2 in BCD 8421 code is

 11011001
 00100111
 00011011
 01101100

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
ECL
TTLAS
CMOS

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 2’s complement is used to represent the numbers, then the range will be

 -256 to 255
 -256 to 256
 -128 to 128
 -128 to 127

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NOR
 NAND
 X-NOR
 X-OR

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MORE MCQ ON Digital Electronics

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