GATE CSE 1998


Q21.

Which of the following is an example of a spooled device?
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Q22.

Which of the following devices should get higher priority in assigning interrupts?
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Q23.

Which of the following is true?
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Q24.

A complete n-ary tree is one in which every node has 0 or n sons. If x is the number of internal nodes of a complete n-ary tree, the number of leaves in it is given by
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Q25.

Which normal form is considered adequate for normal relational database design?
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Q26.

In serial communication employing 8 data bits, a parity bit and 2 stop bits, the minimum band rate required to sustain a transfer rate of 300 characters per second is
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Q27.

Which of the following statements applies to the bisection method used for finding roots of functions:
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Q28.

Which of the following statements is false?
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Q29.

Given two union compatible relations R_1(A, B) and R_2 (C, D), what is the result of the operation R_1 \Join_{ A = C \wedge B = D} R_2?
GateOverflow

Q30.

Which of the following query transformations (i.e., replacing the l.h.s. expression by the r.h.s expression) is incorrect? R_1 and R_2 are relations, C_1 and C_2 are selection conditions and A_1 and A_1 are attributes of R_1.
GateOverflow