Electronics and Communication Engineering - Digital Electronics
Exercise :: Digital Electronics - Section 12
| 36. |
Computer virus is a piece of rough software of unknown origin that |
| A. |
copies itself like a breeding germ | | B. |
spreads from one machine to another | | C. |
eats away processing power | | D. |
all of the above |
Answer: Option D
Explanation:
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| 37. |
What is the result for expression (map method)?
ABC + AD + D (B + C) + AC + A D |
| A. |
A + D + BC | | B. |
A + D | | C. |
A D + B C | | D. |
A + D + BC |
Answer: Option B
Explanation:
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| 38. |
In a 4 bit full adder how many half adders and OR gates are required |
| A. |
8 and 4 | | B. |
7 and 4 | | C. |
7 and 3 | | D. |
8 and 3 |
Answer: Option C
Explanation:
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| 39. |
Which of the following is not a specification of D/A and A/D converters? |
Answer: Option A
Explanation:
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| 40. |
Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are |
Answer: Option D
Explanation:
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