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Digital Electronics

Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 6, 16
 12, 8
 16, 8
 8, 16

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Digital Electronics
2's Complement of 10101011 is

 10101100
 00111100
 10101011
 01010101

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Digital Electronics
The set of which logic gates is designated as universal gate?

 XNOR, NOR, NAND.
 NOT, OR , AND.
  NOR , NAND.
 XNOR, NOR, NAND.

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Digital Electronics
Each term in the standard SOP form is called a

 maxterm
 don’t care
 literal
 minterm

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 1
 all inputs are connected together
 inputs are left open
 one input is set to 0

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

 16 × 16
 256 × 1
 32 × 8
 64 × 4

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