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Digital Electronics

Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 OR
 none of these
 NOR
 AND

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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.

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

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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 1’s complement is used to represent the numbers, then the range will be

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

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Truth
 Run-time
 Operating
 Propagation

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Digital Electronics
Queue is also known as

 LILO memory
 FIFO memory
 LIFO memory
 Flash memory

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

 < 20
 < 12
 < 6
 < 25

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