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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NOR
 AND
 X-OR
 NAND

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Digital Electronics
(11011) 2 in BCD 8421 code is

 00011011
 01101100
 00100111
 11011001

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Digital Electronics
If clock time period is 1ms, what is its frequency

 1 kHz
None of these
 1 mHz
 1 MHz

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 OR is more squared than NOR
 NOR has got a bubble at its output terminal
 OR has got a bubble at its output terminal

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Digital Electronics
The field, which is never present in an assembly language statement, is

 Continue
 Operand
 Comment
 Opcode

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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

 hexadecimal
 natural BCD
 ASCII
 octal

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