Electronics and Communication Engineering - Digital Electronics

46. 

Some of MOS families are PMOS, NMOS, CMOS. The family dominating the LSI field where low power consumption is necessary is

A. NMOS
B. CMOS
C. PMOS
D. both NMOS and CMOS

Answer: Option B

Explanation:

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47. 

The ASCII code is

A. 5-bit code
B. 7-bit code
C. 9-bit code
D. 11-bit code

Answer: Option B

Explanation:

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48. 

The binary addition 1 + 1 =

A. 11
B. 10
C. 111
D. 100

Answer: Option B

Explanation:

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49. 

The Boolean function A + BC is a reduced form of

A. AB + BC
B. (A + B) . (A + C)
C. AB + ABC
D. (A + C) . B

Answer: Option C

Explanation:

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50. 

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

A. The transistor is in active region
B. Both junctions are forward-biased
C. The collector injects electrons or holes into the base region
D. It is the time taken by the carriers to leave the base region

Answer: Option A

Explanation:

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