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(#M40154290) AMCAT QUESTION Computer science Keep an EYE

Choose the correct option.
For a relation R(A,B,C,D,E,F), given are functional dependencies on R.
1)A—>B
2).C-->D
3)AF--->DB
4)F-->D

Which of the following functional dependencies is not true for R?
1)DA-->F
2) C—>B
3) AF—>DB
4) F—>D

Asked In AMCAT dhritiman (10 years ago)

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(#M40154914) TCS QUESTION Apti Keep an EYE

Two identical circles intersect so that their centres. and the points at which the’ uitersect. form a square of side 1 cm. The area in sq. cm of the portion that is common to the two circles is:
Options are;
1)squareroot(5)
2)4
3)pi/2-1
4)squareroot(2)-1

Asked In TCS dhritiman (9 years ago)

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(#M40154206) AMCAT QUESTION computer science Keep an EYE

A system uses FIFO page replacement algorithm It has 3 pages frames with no pages loaded to begin with The system first accesses 50 distinct pages in some order and then access the same 50 pages but now in reverse order. How many page faults will occur?
1)50
2)97
3)103
4)100

Asked In AMCAT dhritiman (10 years ago)

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(#M40154253) AMCAT QUESTION Computer science Keep an EYE

Which of the following statements is/are true about the Resource-allocation graph?
1. lf the graph contains no cycles, then no process in the system is deadlocked.
2. lf the graph contains a cycle, then a deadlock may exist.
3. lf each resource type has exactly one instance, then a cycle implies that there is not a deadlock.
4. lf each resource type Which has several instances, then a cycle necessarily implies that a deadlock has occurred.
Options are:-
1) Only 1
2) Both 1 and 2
3) Both 2 and 3
4) Both 1 and 3
5)Only 4

Asked In AMCAT dhritiman (10 years ago)

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(#M40154840) TCS QUESTION Apti Keep an EYE

.Let f be a function such that f(f(x))=f(x+2)-3 for all intergersx,if f(1)=4 and f(4)=3,then f(5) is
a)12 b)15 c)6 d)9

Asked In TCS dhritiman (9 years ago)

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(#M40154849) TCS QUESTION Apti Keep an EYE

F(x)=ax+b where a and b are real numbers if f(f(f(x)))=8x+21 what is the value of a+b? a)2 b)4 c)5 d)3

Asked In TCS dhritiman (9 years ago)

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(#M40154834) TCS QUESTION Apti Keep an EYE

The diagonal of a square is twice the side of an equatorial triangle.The ratio of the area of the triangle to the area of square is
a)sqrt(3):8 b)sqrt(2):4 c)sqrt(2):5 d)sqrt(3):6

Asked In TCS dhritiman (9 years ago)

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(#M40154537) AMCAT QUESTION Computer Science and Computer Programming Keep an EYE

There are 2 groups – group a and group b. Match the following

Group A
A. Process

B. Program

C. Long term scheduler
D. Message passing

Group B
1. Passive entity
2. Degree of multiprogramming

3. Active entity
4. Interprocess communication

Match the given Process Management terms in Group A with their charactesstics in Group B.
1)A-1, B-3, C-2, D-4
2)A-1,B-3,C-4,D-2
3) A-3,B-1,C-2,D-4
4)A-3,B-2,C-1,D-4

Asked In AMCAT dhritiman (9 years ago)

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(#M40154866) TCS QUESTION Apti Keep an EYE

.i just finished three marbles games and have twenty one marbles. In the first game ,I lost half my marbles. In the second game I won eleven times what I had at the end of first game. In the third game ,I won 9 marbles. How many marbles did I have when I started playing a)8 b)6 c)2 d)4

Asked In TCS dhritiman (9 years ago)

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(#M40154259) AMCAT QUESTION Computer science Keep an EYE

Choose the correct option-
In which ofthe following directory systems, there is a concept of user file directory(UFD) and master file directory(MFD)'?
1)Single level directory
2) Two level directory
3) Tree structured directory
4) Acyclic graph directory

Asked In AMCAT dhritiman (10 years ago)

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