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Digital Electronics

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

 50,000 to 99,999
 > 50,000
 1,00,000 to 10,00,000
 > 1,00,000

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 0 V and 5 V
 1 V and 5 V
 –1.5 V and – 0.5 V
 5 V and 0 V

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Digital Electronics
EBCDIC code is a

 10-bit code
 7-bit code
 8-bit code
 5-bit code

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 trigger
 unstable state
 tri-state
 inverter

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -48 as 11101000
 -37 as 11011011
 -32 as 11100000

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 All inputs are LOW
 The inputs are different
 All inputs are HIGH

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