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Digital Electronics

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

NOT gate
NAND gate
EXCLUSIVE OR gate
OR gate

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F53F
G52F
F52E
F53O

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Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A - B
 A + B
 A.B
 A & B

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Digital Electronics
LSI means

 Large Symbol Integration
 Large Scale Integration
 Large Scale Invertor
 Large Symbol Invertor

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Digital Electronics
What is the gray code for the binary 101011?

 110101
 101011
 011111
 111110

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

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

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