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Digital Electronics

Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 12 bits
 10 bits
 16 bits
 8 bits

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 1.
 J = 0, K = 0.
 J = 1, K = 0.
 J = 0, K = 1.

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Digital Electronics
Why decoder is used in the digital electronics ?

 It is used to separate address bus and data bus
 To convert non coded information into coded form
 To convert coded information into non coded form
None of these

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 NOR
 AND, OR, and NOT
 NAND

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Digital Electronics
1 Gigabyte is equal to

 1024 bits
 1024 bytes
 1024 kbytes
 1024 Mbytes

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

 12, 8
 6, 16
 16, 8
 8, 16

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