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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

 256 × 1
 32 × 8
 64 × 4
 16 × 16

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,768
 65,536
 32
 32,767

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

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

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an AND or a NOR
 an OR or an X-OR
 an AND or an OR
 a NAND or a NOR

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Digital Electronics
The number of cells in a 6 variable K-map is

 64
 6
 12
 36

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

 None
 DRAM
 SRAM
 Both SRAM and DRAM

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