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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
 64 × 4
 16 × 16
 32 × 8

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 triggering
 input
 output

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Digital Electronics
Transfer of data from one register to another register is known as ________ register operation.

 Intra
 Inter
 Inside
 In between

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

 16, 8
 6, 16
 8, 16
 12, 8

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Digital Electronics
Why encoder 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
Which circuit is used in between two systems having two different codes

 Combinational
 Sequential
 Both A and B
 Conversion

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