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Digital Electronics

Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 16
 1024
 65536
 32

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Digital Electronics
Why decoder is used in the digital electronics ?

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

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 OR is more squared than NOR
 NOR has got a bubble at its output terminal
 OR has got a bubble at its output terminal

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Digital Electronics
Which of the following logic circuits is the fastest ?

 All have same speed.
 DTL.
 TTL.
 RTL.

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 F0F0
 1010
 7070
 5050

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NOT
 NAND
 OR
 AND

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