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Digital Electronics

Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

 24.
  10.
 12.
  6.

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 1
 w = 1,y = 1,z = 0
 w = 0,y = 0,z = 1

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 1
 2
 8
 4

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 8
Base 10
Base 16
Base 3

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 prime implicants
 selective prime implicants
 essential prime implicants
 redundent prime implicants

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

 Both SRAM and DRAM
 DRAM
 SRAM
 None

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