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Digital Electronics

Digital Electronics
Which of the following gate is a two-level logic gate

EXCLUSIVE OR gate
NOT gate
NAND gate
OR gate

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Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 TTL.
 All have same speed.
 RTL.

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Digital Electronics
In ULSI, the number of gate circuits per chip is

 1,00,000 to 10,00,000
 > 1,00,000
 > 50,000
 50,000 to 99,999

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 1
 0
 Complement of the MSB of the original byte
 Equal to the MSB of the original byte

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 NOT gate followed by a NOR gate
 inverter followed by an X-OR gate
 X-OR gate followed by an inverter
 complement of a NOR gate

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Digital Electronics
F’s complement of (2BFD)Hex is

 D403
 D402
 E304
 C403

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