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Digital Electronics

Digital Electronics
Fastest memory element is

 RAM
 ROM
 Hard Drive
 Cache

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

 AND-OR
 NOR-OR
 AND-AND
 XOR-NAND

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 ASCII
 natural BCD
 hexadecimal
 octal

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Digital Electronics
In a read-only memory information can be stored

 by the user only once during its life time
 by the user a number of times
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 NOR
 NAND
 AND
 X-NOR

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Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 two
 three
 one
 four

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MORE MCQ ON Digital Electronics

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