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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 code converter
 decoder
 encoder

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 OR
 XOR
 XNOR
 NOR

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Digital Electronics
NAND. gates are preferred over others because these

can be used to make any gate
have lower fabrication area
consume least electronic power
provide maximum density in a chip.

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 16……..
 2, 3, 4, 5, 6, ….
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 12, …

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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

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

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NAND-NAND realization
 NAND-NOR realization
 NOR-NOR realization
 NOR-NAND realization

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MORE MCQ ON Digital Electronics

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