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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 16 × 16
 32 × 8
 256 × 1
 64 × 4

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 16
 32
 8
 7

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -37 as 11011011
 -48 as 11101000
 -32 as 11100000

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 AND
 OR
 NAND
 none of these

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
NAND gates
None of these
OR gates

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Digital Electronics
The universal gate is ___________

AND gate
OR gate
NAND gate
None of these

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