Electronics and Communication Engineering - Microprocessors
Exercise :: Microprocessors - Section 5
| 1. |
The number of computer viruses is some thousands. |
Answer: Option A
Explanation:
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| 2. |
If 8085 is required to add two 32 bit numbers, the numbers of addition sequences is |
Answer: Option C
Explanation:
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| 3. |
Incompatibility between memory and I/O device may be due to |
| A. |
timing according to which data transfer is to take place | | B. |
electrical characteristics of the two devices | | C. |
format of data transfer | | D. |
all of the above |
Answer: Option D
Explanation:
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| 4. |
When the mains supply is switched off the contents of primary computer memory are lost. |
Answer: Option A
Explanation:
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| 5. |
8255 A is a |
| A. |
programmable peripheral interface | | B. |
I/O device | | C. |
memory chip | | D. |
none of the above |
Answer: Option A
Explanation:
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