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Digital Systems
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0036 (Digital Systems)
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PART - A
PART - B
PART - C
Subject : Digital Systems
BC0036 : PART - A
Q. 1 | The l's complement of 111010 is |
| A) | 000l00 |
| B) | 000l0l | | C) | 000011 | | D) | None | | | | Q. 2 | Demorgan's first Theorem says that |
| A) | The complement of a product form of an expression is equal to the sum the complements |
| B) | The complement of a sum form of an expression to the product of the complements | | C) | Both a and b | | D) | None | | | | Q. 3 | The difference between a half-adder and full-adder is |
| A) | The half adder is having a carry input |
| B) | The full adder is not having a carry input | | C) | The half addel~ does not have a carry input | | D) | None | | | | Q. 4 | Write the Binary equivalent of 29 in decimal |
| A) | llll0(2) |
| B) | ll0l0l(2) | | C) | ll0l(2) | | D) | A1101(2) | | | | Q. 5 | The decimal equivalent of an octal number 234.32 is |
| A) | 156.15625 |
| B) | 156.15265 | | C) | 156.2562 | | D) | 156.1554 | | | | Q. 6 | The methods used to simplify the Boolean expression is |
| A) | k-map |
| B) | Quine Mcclusky | | C) | Both a and b | | D) | None | | | | Q. 7 | Simplify (a+b)+c by using Demorgan's Theorem |
| A) | (a+b)c |
| B) | (a+b)+c | | C) | (a+b+c) | | D) | None | | | | Q. 8 | Binary equivalent of dedma! 1O in 5 bit notation is |
| A) | l0l0 |
| B) | ll0l0 | | C) | 1010 | | D) | 11001 | | | | Q. 9 | convert the 101.11(2) to decimal |
| A) | 5.75 |
| B) | 5.65 | | C) | 5.55 | | D) | None | | | | Q. 10 | A system which is having 10 symbols from 0 to 9 is called |
| A) | Binary System |
| B) | Decimal sytem | | C) | Octal Sytem | | D) | Both a and b | | | |
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