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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 NOR gate
 X-NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
How many bits are required to store one BCD digit ?

 1
 3
 2
 4

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Digital Electronics
LSI means

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

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Digital Electronics
The hex address of the 256th memory location is

 00FFF
 00100
 000FF
 001FF

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Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 Both SRAM and DRAM
 SRAM
 DRAM
 None

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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

 octal
 natural BCD
 hexadecimal
 ASCII

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