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Digital Electronics

Digital Electronics
Which of the following represents (E3)16 ?

 (1BC)16-(DE)16
 (2BC)16-(1DE)16
 (1CE)16+(A2)16
 (200)16-(11D)16

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Digital Electronics
Why decoder is used in the digital electronics ?

None of these
 It is used to separate address bus and data bus
 To convert coded information into non coded form
 To convert non coded information into coded form

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

 Comment
 Opcode
 Continue
 Operand

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 01000110
 00000001
 11000110

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 NOR
 NAND
 X-OR

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

 OR
 AND
 none of these
 NOR

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