Electronics and Communication Engineering - Digital Electronics

6. 

RAM can be expanded to

A. increase word size
B. increase word number
C. either increase word size or increase word number
D. none of the above

Answer: Option C

Explanation:

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7. 

Large scale integration refers to

A. more than 50 gates on the same chip
B. more than 80 gates on the same chip
C. more than 100 gates on the same chip
D. none of the above

Answer: Option C

Explanation:

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8. 

Which of the following statements is not true in regard to storage time of a diode?

A. During this time, the diode is reverse-biased
B. The diode conducts during this time
C. It is due to the time taken by carriers to depart from the function when the diode is reverse-biased
D. During this time the diode current is zero

Answer: Option D

Explanation:

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9. 

Suppose a microprocessor has memory locations from 0000 to 3FFF, each storing I byte. How many bytes the memory can storing I bytes the memory can store?

A. 4384
B. 8644
C. 12688
D. 16384

Answer: Option B

Explanation:

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10. 

If the number of information bits is m, the number of parity bits p in the Hamming code is given by equation

A. 2p = m + p + 1
B. 2p ≥ m + p + 1
C. 2P = m + p
D. 2p ≥ m + p

Answer: Option B

Explanation:

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