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Digital Electronics

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

 65536
 1024
 32
 16

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is HIGH
 the output follows clock
 the output is LOW
 the output follow input

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -128 to 127
 -256 to 256
 -127 to 127
 -256 to 255

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Digital Electronics
Which of the following is not a transmission medium?

 Coaxial cables.
  Modem.
 Telephone lines.
 Microwave systems.

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Digital Electronics
An X-OR gate gives a high output

 if the decimal value of digital word is even
 if it has even number of 0s
 for odd decimal value.
 if there are odd number of 1s

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 7
 32
 8
 16

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