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Digital Electronics

Digital Electronics
Fastest memory element is

 Cache
 RAM
 Hard Drive
 ROM

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Digital Electronics
What is the gray code for the binary 101011?

 101011
 011111
 110101
 111110

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-2n-1
 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1+1)

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Digital Electronics
Which of the following operations is commutative but not associative?

 X-OR
 OR
 AND
 NAND

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 NOR-OR
 AND-OR
 XOR-NAND
 AND-AND

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Digital Electronics
Why generic array logic (GAL) device was invented ?

None of these
 Reprogrammable
 One-time programmable
 Mask programmable

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MORE MCQ ON Digital Electronics

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