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Microprocessor (8085, 8086 & 8087)
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0046 (Microprocessor (8085, 8086 & 8087))
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PART - A
PART - B
PART - C
Subject : Microprocessor (8085, 8086 & 8087)
BC0046 : PART - C
| Q. 1 | Match the following.
1. TRAP i. 0034 H
2. RST 7.5 ii. 0024 H
3. RST 6.5 iii. 003C H
4. RST 5.5 iv. 002 C H |
| | A) | (1,I), (2,ii), (3,iii), (4,iv) |
| B) | (1,ii), (2,iii), (3,I), (4 iv) | | C) | (2,I), (3,iv), (1, iii), (4,iv) | | D) | None | | | | | Q. 2 | ASCII character in asynchronous transmission having ____
i. 1 start bit ii. 8 character bits iii. 2 stop bits iv. Low & high speed |
| | A) | both I & ii |
| B) | I, Ii, iii* | | C) | Only iv | | D) | None | | | | | Q. 3 | The control pins are
1. CLR (clear) 2. STB (strobe) 3. INT (interrupt) 4. MD (mode) |
| | A) | both I & iii |
| B) | both ii & iv | | C) | both I & iv | | D) | All | | | | | Q. 4 | Match the following data.
1. Interface Requirements i. CRC
2. Alphanumeric code ii. Serial I/o and parallel I/o
3. Error check iii.2 compliment
4 |
| | A) | (1,I), (2,ii), (3,iii), (4,iv) |
| B) | (1,iv), (2,iii), (3,ii), (4,i) | | C) | (1,ii), (2,iii), (3,I), (4,iv) | | D) | None | | | | | Q. 5 | The machine cycles are ____-
i. Fetch cycle ii. Indirect cycle iii. Execute cycle iv. Interrupt cycle |
| | A) | Only I & iii |
| B) | Only ii & iv | | C) | Only I & ii | | D) | All | | | |
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